Click here to download the free ebook of Alberto Juantorenas detailed training workouts leading up to the 1976 Montreal Olympics, September 28, 2009 by Jimson Lee 5 Comments, Last Updated on April 26, 2014 by Amir Rehman. Here an athlete can operate very close to or above 100% maximum velocity. Since youre herewe have a small favor to ask. All rights reserved. he predicted that time extrapolated to a 9.70, https://www.youtube.com/watch?v=0xbs-aWxyLk, IFAC 2022: The Return of In-Person Conferences (with Virtual option), Here is our 400m Discussion Recording over 2 Hours Long, The Best Free Coaching Book post Beijing 2022 Olympics, The Ultimate 400m Track Webinar for Coaches & Athletes, NACAC Athletics Coaching Science Series 2022, Top Six 400m Predictor Workouts (Number 4 is my Favourite), Why Karsten Warholms 45.94 400mH WR is my Highlight of 2021, Sprinting: 10 Research Articles for Effective Sprint Training [Part 23], Pressure in Sports Reflections from Tokyo 2020 Olympics. I know what you may be thinking: Great, so 100 meters is obviously a very broad distance. A 40-yard dash completed in 4.50 seconds would be about 18.18 miles per hour (mph), after rounding to two decimals. For example: 155-6.5 would be 155 feet and 6.5 inches. The variation in 40-times, and also the fact that no-one runs their best time every time, has been discussed much on here before. Patton 6.51 9.98 9.99 .01 (from semi.) James provided me with the example of Usain Bolts world-record 9.58-second 100-meter sprint. is he going to because i am not sure but thats a fast 60m!!! Clark K.P. Since 1959, a yard has been defined as exactly 0.9144 meters. Your answer will appear in the mph field. Recheck your facts n try again. In addition:Coleman has ran a 4.12 ( without a lot of thought about it, no blocks). Yards per hour to Miles per hour Conversion Example Task: Convert 250 yards per hour to miles per hour (show work) Formula: yd/h 1,760 = mph Calculations:Result: 250 yd/h is equal to 0.14204545 mph But what if I coach high school athletes?. Thank you! Type in the time or mark in the blank above, select the event or function from the drop down menu, and click convert. Go Get Faster Anyway (A Four-Week Speed Training Plan), Curved Treadmills: Pros and Cons That You Should Know, Top 10 Resistance Band Exercises Athletes Should Use, CVASPS Seminar Q&A Series: Boo Schexnayder, Preventing ACL and Achilles Injuries with Elastic Strength Training, Cody Hughes: Student-Athlete Preparation Podcast, Develop Technique for High-Speed Sprinting, Train at, Around, or Above Maximum Velocity, Test and Record Changes to Maximum Velocity. However, the 40-yard dash is king, and seems to be the only test that matters. Standardized Track Event Conversion Factors Actual Distance Converted Distance Factor Actual Distance Converted Distance Factor 60 Yards 60 Meters 1.07 800 Meters 1000 Meters 1.32 55 Meters (men) 60 Meters (men) 1.0749 880 Yards 800 Meters 0.9942 . Most coaches would agree that they just want fast players. If we perform three repetitions, we consider the total volume from flying sprints as 120 yards. The symbol for miles per hour is mph. You still have to train appropriately. http://www.flotrack.org/article/52904-john-ross-4-22-40-yard-dash-record-is-not-that-fast#.WQiCyXm1vIU. Manage Settings Still pretty impressive, but no 9.69 which is what the whole world wants to see. Even if athletes perform sprints at maximal intensity, if the sprints are not long enough to put the athletes at speeds that are conducive to their highest relative velocities, we cant expect that their maximum velocity will improve. Take that time and multiply by 3.66. If you do not have access to a fully automatic timing system, you can use smart phone apps like the My Sprint App to time this segment using slow-motion video. amzn_assoc_linkid = "c9c3db68d110ed0eda21441232915eaa"; In most sports, the distances measured on the track or playing field are recorded in meters, so we easily understand the unit of m/s. Build-Up Runs - Gradually increasing speed every 10 yards for up to 50-60 yards total. classified all 260 athletes into Fast and Slow groups based on maximum velocity, and found that both groups achieved similar percentages of their relative maximum velocity at the same segments over 40 yards. While the 40-yard dash is certainly one way to decipher the fast from the slow, there are other potential options like the flying 10-yard sprint that can paint a clearer picture. These tables or conversions assume a maximum velocity to 60 meters, followed by speed endurance maintenance for another 20-30 meters, and a deceleration anywhere from 10-15 meters. Even a 2.09 HJ or 7.52m LJ can make Men green with envy. The technical storage or access that is used exclusively for statistical purposes. Look at the table below based on more data from Ken Clark that compares correlations of 4.20-4.40-second 40-yard dash times to maximum velocity and flying 10-yard sprint times: Running a 4.20-second 40-yard dash would break the current record set by John Ross. The server responded with {{status_text}} (code {{status_code}}). Definition: A yard (symbol: yd) is a unit of length in both the imperial and US customary systems of measurement. Thus, its safe to say that the 40-yard dash time by itself is NOT enough information to truly understand how fast a football player is. Now take a look at the first charts above, and compare to this: Note how we have many sub 6.40 60 meter splits, but only 40 sub 6.50 indoor times all-time, 6 in the last 2 years. This is my first season as a sprint coach, so please bear with me. For example, an athlete who performs a flying 10-yard sprint in 1.01 seconds would yield a velocity of 9.90 yd/s, which converts to 9.05 m/s. Coach Kim Goss delves into the importance of elastic strength training in helping injury-proof athletes against non-contact lower-body injuries. You can talk all you want and hypothesize a 60 meter to 100 meter extrapolation. Not consenting or withdrawing consent, may adversely affect certain features and functions. Linebackers, tight ends, power running backs, speed defensive ends, and dual-threat quarterbacks might have an upper volume range of 200-250 yards. Or is something else going on? The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network. Kim Collins PB is 9.96. However, the problem with this approach is that the velocity of 8.31 m/s is reflective of the average velocity over a very broad distance. Figure 6 displays findings modified from the Clark et al. I felt based Skip to primary navigation Skip to main content Skip to primary sidebar The meter is defined as the distance traveled by light in 1/299 792 458 of a second. -complete LASER time is an electronic start and electronic finish, Most guys than run 6.75~6.95 FAT over 60 meters will run 4.3- 4.4 at the NFL Combine. Tests like the flying 10-yard sprint and technology for calculating maximum velocity are both very useful here and can involve a more relaxed environment for testing speed more often than relying on periodically testing 40-yard dash times. Why arent more sprinters running better indoor 60 meters? At the end of the day, we must ask ourselves what we want to measure. This definition was slightly modified in 2019 to reflect changes in the definition of the second. The idea is to hit a full speed sprint on the fly, where a 30-50-meter run-up is performed and acceleration is gradually increased leading into a full-speed burst for a subsequent distance of 10-30 meters. Holiday ran a 4.34 40. Unless, of course, you want to have indoor 70 meter races with extra large crash mats! The technical storage or access is necessary for the legitimate purpose of storing preferences that are not requested by the subscriber or user. 10.70. Most guys that run sub 6.75 over 60 meters are the guys running the high 4.2x at the NFL Combine amzn_assoc_search_bar = "true"; It is an English unit (predecessor of imperial units) and the term was derived from "gerd" in Old English, the earliest historical form of the English language. Is the 40-yard dash the best test to use to determine raw speed ability for your football players? Your email address will not be published. Anyone who has worked with NFL draft prospects knows how important this test is. Definition: A meter, or metre (symbol: m), is the base unit of length and distance in the International System of Units (SI). How do you convert 60 yard dash to 40 yard dash? Psychologically they are slowing down. YOULL SEE WHO YOUR BEST ATHLETES ARE !!!! Prior to arriving at Indiana, Cameron spent 7 years in the private sector with DeFranco's Training Systems, operating as Director of Sports Performance from 2014-2020. Submaximal Sprint Around 90% to find rhythm, Tyreek Hill 105-yard kickoff return for touchdown (penalized for holding) 10.39 m/s, Tyreek Hill 86-yard kickoff return for touchdown 10.18 m/s, Desean Jackson 59-yard pass reception for touchdown 10.10 m/s, Xavier Rhodes 100-yard interception return for touchdown 10.01 m/s, Brandin Cooks 45-yard pass reception for touchdown 10.01 m/s, Clark, K. P., Rieger, R. H., Bruno, R. F., & Stearne, D. J. Look at Bolts 5.47 and 6.29 today and I rest my case. As discussed throughout the entirety of this article, the best way to test speed is to test maximum velocity. It all comes down to CONTEXT, or WHY we perform a certain training exercise. All rights reserved. Not saying he is fastest kid on earth in cleats (although he has been gunned at 88mph), but 6.4 would be crazy speed in thos conditions. Copyright 2023 SimpliFaster. While some highly recruited prospects can achieve similar sprinting speeds as college and NFL football players, they are very rare and certainly do not show a physical limitation as it relates to speed. All Rights Reserved. Think about it Personally I run 6.6x Fat which is 6.4 handtime and I also run 4.4 handtime over 40 yards. Think of it similarly to having a higher one-repetition maximum (1RM) in lifting weights. amzn_assoc_ad_mode = "manual"; "just an interesting look at 60m to 100m times in a particular 60m time range. There are 0.00056818 mph in yd/h. amzn_assoc_placement = "adunit0"; So throw that theory out of the water. If we divide the distance (100) over time (9.43) then we would yield an average velocity of 10.60 m/s. Probably closer to 2 seconds if you are 10.0 runner in the 100m and maybe a full 3 if you are an 11.5+ guy. The new HS national indoor 200 women's record-holder Mia Brahe-Pedersen is white. The latest running news, sent to your inbox weekly. that if we can just push the distance to 15-20 yards, there may be tremendous implications for improving maximum velocity in our football players. Save my name, email, and website in this browser for the next time I comment. First, Congratulations toKim Collins on his recent 6.48 60m win in Moscow. Seriously, It happened. another sucker born. The magnitude of velocity is a scalar quantity and is expressed as distance over time. However, Graph B contains the most eye-opening piece of information, depicting the acceleration profile of the participants in relation to percentage of maximum velocity achieved at each segment. For a more accurate answer please select 'decimal' from the options above the result. THE ONLY THING THAT I THINK THAT WOULD ALSO SHOW EXPLOSIVE SPEED AND ATHLETIC ABILITY IS THE { 5 CONTINUS STANDING LONG JUMPS} NFL MISSING THE BOAT HERE. Note: For Speed or Velocity conversions, US Customary Units and the Imperial System are equivalent. j/k. While using this site, you agree to have read and accepted our Terms of Service and Privacy Policy. The symbol for yards per hour is yd/h. I've been associated with track and field for 30+ years and have done related research at the Duke Sports Performance Lab where we analyzed 100m guys over 10m intervals in terms of determining when they reach max velocity and when they begin to lose velocity over 100m. But that is a topic for another article. Notice the above-mentioned factors that are present, such as too much backside swing and not enough front side lift. The problem with any conversion of a 60 meter race is Super-Elite athletes today like Usain Bolt and Tyson Gay are accelerating to maximum velocity well past the 60 meter point up to 70 meters. I just remembered they cancelled that shit show. #6 Its because they are afraid of crashing into the wall. When modeling a 60, the amount of emphasis changes in the acceleration phase to allow for a quicker transition. 10.64 But 40 yards is just a fraction of 100 meters so wouldnt it be accurate to calculate average velocity using the 40-yard dash time? Well, my conversation with James investigated this issue as well. How to convert yd/h to mph: Enter a value in the yd/h field and click on the "Calculate mph" button. [Tweet The best way to determine your 100m time is to run 100 meters.]. Clearly, it is more advantageous for us to know that he can sprint 12.35 m/s rather than assume he can only attain 10.60 m/s. Visit our moderation dashboard to view statistics on our moderating activity. Use the flying 10-yard sprint to accurately calculate a football players maximum velocity by dividing 10 yards over the time of the flying sprint and then converting it into meters per second. Whether he is clean or not is NOT the topic of this article. The current definition of the meter is effectively the same as the definition that was adopted in 1983, with slight modifications due to the change in definition of the second. Powell 6.42 9.84 projected difference I felt based on previous world records, a conversion of 1.53 or 1.54 would give Dwain approximately 9.82 9.89 seconds for a 100 meters. . https://www.tfrrs.org/results/51920_3197591.html?athlete_hnd=4666614. (2017). It seems to me that with the sports that require pure acceleration starting from a stationary or close to stationary positions (tennis, football, etc.) chambers 6.50 10.0 9.97 .03 I feel stupid just being in this thread. Football sport performance coaches will almost always prescribe sprint training distances by measuring yards, not meters. There's no need to account for acceleration when comparing a 100m time to a 40yd time as long as you do so by the split times as was done. Definition: A yard (symbol: yd) is a unit of length in both the imperial and US customary systems of measurement. Again, dividing the distance (10) by the time of the segment (0.86) now yields an average velocity of 11.63 m/s! Consenting to these technologies will allow us to process data such as browsing behaviour or unique IDs on this site. In this second of a six-part series interviewing the sport practitioners set to speak at CVASPS The 2023 Seminar in July, we talk to highly respected coach Boo Schexnayder about improving S&C coaching culture, professional development, and how to design effective speed training. And why are the indoor times slower than the outdoor splits? This is an example of why tracking maximum velocity is a better indication of an athletes raw speed ability when compared to split times over long distances like 40 yards. For the greater percentage of high school football players, it is necessary to list some more attainable goals. It measures the number of yards traveled in an hour. Interested in trying to beat the new record? -60 meter races are started when the gun fires and the runners have to react to the gun..the absolute minimum legal reaction time is 0.1. Bolt crossed the 40-meter line at 4.64 seconds, but if we remove reaction time again (0.146 seconds) then he really reached 40 meters in 4.49 seconds. No Practices? Its. We review 100% of reports submitted. The following is a list of definitions relating to conversions between yards per hour and miles per hour. The distance is just not long enough for the necessary acceleration. If he kept the same average speed he would run the 60m in 6.8 , his PB is 6.4 so a run of thumb for elite runners would be the 40m time x 1.6. so if you run a 5s 40 that would be roughly an 8.0 60m run. If you are calculating 40 yard dash times from 100 meter times you first have to convert meters to yards(1 meter = ~1.0856 yards). Darrell Green, widely considered the fastest man in NFL history [along with Bob Hayes] was around a 6.54-6.55 guy in his prime. 7.55 - 11.70-12.10 7.26 - 11.25-11.50 ELITETRACK Founder Participant trackspeedboy on April 4, 2009 at 4:10 pm #80403 K thanks. Sprint 2 9.5m/s If anyone could run a legit 4.12, I think it's Coleman. This changed in 1889, when the International prototype metre was established as the length of a prototype meter bar (made of an alloy of 90% platinum and 10% iridium) measured at the melting point of ice. I'd agree with you on someone that runs the 200m. the NFL Big Players 10 y sprint goal (110) + max velocity goal (8.31 m / s) would be good for NBA Big Players too ? Sprint 3 8m/, And also an athlete B running: Most positions start from a more upright position. If we remove Bolts reaction time of 0.146 seconds, then he covered 100 meters in 9.43 seconds. Greene and others are still building speed at that point. A receiver and an offensive lineman might both reach around 93-96% of their maximum velocity at 20 yards, but the receiver has higher velocity overall, thus hitting a much better split time at 20 yards and onward thereafter. Converting 40 yard dash time to 60 yard dash time Ask an Expert Answers to Homework Calculus Questions 31,582 Satisfied Customers Scott is online now Share this conversation Related Calculus and Above Questions I have multiple physics questions I don't understand. The 40-yard dash is a sprint covering 40 yards (36.576 m). A conversation with James The Thinker Smith allowed me to better understand the misguided effort of measuring average velocity over very broad distances. Ireland's Luke McCann got a yellow card at Euro indoors for "unsporting manner / improper conduct." Seems legit. The 10K runners complained loudly in Atlanta 1996 the same year Donovan Bailey and Michael Johnson both broke world records. Take a look at the chart below and its clear Maurice Green ran close to his potential indoors, which explains why he still has both indoor world records 14 years later. Both values are from the exact same sprint. There is an obvious difference in favor of calculating velocity based on the smaller segment since it will be a better depiction of instantaneous velocity. . It is also equal to 3 feet, or 36 inches. 1 m is equivalent to 1.0936 yards, or 39.370 inches. 40 yards is : 36.576 m SuperSneakyJ 1 mo. One poster on T&FN forum suggested you can extrapolate a 100m using 2 x 60m time minus 3 sec, which to me just doesnt add up. I am not suggesting that we shouldnt test the others at all however, I know highly respected industry coaches who no longer test the standard 10 yrd dash (training yes) and I am trying to make sense of that. I am glad Mo has the WR, because when Andre Cason held the WR, we all thought shorter vertically challenged athletes were better at acceleration. This is often due to the above-mentioned factors and/or insufficient ankle strength and power. Sprint 1 10m/s Simply timing the 10-meter or 10-yard sprint allows you to see where your training is and how your athletes compare to the normative data. Continue with Recommended Cookies. I am guilty of this myself. Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper. Exactly, not possible n not real. I asked Ken Clark if he would be able to use the equations from his paper to design flying 10-yard sprint and maximum velocity goals based on specific positions played in American football. Not consenting or withdrawing consent, may adversely affect certain features and functions. Since the NFL Combine is considered an invite-only event of the top players in college football, you can use these goals to determine if your football player has enough velocity to keep up with the top players in their position group. How does that equate to legit low 4.2? bencher. HSI John Smith: We are literally trying to stop time, Jim Hiserman - Developing 800m Runners: Identifying, Categorizing and Developing 400m-800m Type Athletes, Jim Hiserman - Developing Distance Runners Volume 2: A Systematic Approach to Developing Individual Success within a Dynamic Team Culture, Tony Holler's "Feed the Cats" Complete Sprint Training Program, Bud Winter & Arthur Lydiard MP3 [Download only]. Luckily for all of us, he provided me with exactly that. It's still early in the season, but does anyone know what an 8.00 second 60 would convert to for the 100? The technical storage or access that is used exclusively for anonymous statistical purposes. The Freelap system is a perfect example of a fully automatic timing system. 40 yard = 36.576 meter 36.576m / 60m = .6096 Thus a 60 meter time x .6096 = 40 yard dash time I think the 60 meter race is the nearest to the 40 yard dash time as it is basically an all out sprint. We can, of course, also use flying 10-yard sprints as a training modality. redking and rubigtimenow M mdk01 Hall of Famer Aug 18, 2011 20,281 13,280 113 Mar 3, 2022 #3 RU Cheese said: 55 meters = 60.15 yards But now we see with the analysis by Clark et al. Track athletes can also use this drill for improvement in technique, especially reducing butt-kicking recovery errors. Track and field coaches have used flying sprints for quite some time. Bo Jackson and Herschel Walker were around 6.60 guys over 60 meters during their college sprinting days. Convert 18.18 miles per hour to kilometers per hour using the online converter. English distances for field events should always be expressed as feet dash. Available from. You could make some decent ESTIMATIONS for 100m but I would not venture to call them conversions. friend's Strava profile photo is almost obscene. Although split times correlate well with velocity, they do not always give an accurate representation of speed. Guy can move and this 40 time is legit. You can argue the new rule of no false starts plus the use of electronic sensor pads puts sprinters to a disadvantage. New sprinters please read the FAQ!! The fastest athlete achieved higher velocities at every 10-yard segment after the sprint start, while the slowest athlete achieved the lowest velocities. You might logically assume that you figure out velocity by simply dividing the distance (40 yards) by the time taken to achieve it (4.40 seconds) to yield a velocity of 9.09 yd/s, which can then convert to 8.31 m/s. Remember Bo ran a legit 4.09 n deion ran a 4.07! Looking for a conversion? A unit of length equal to 3 feet; defined as 91.44 centimeters; originally taken to be the average length of a stride. 10.53 Sprint 1 9.2m/s The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network. American football, however, measures the game in yards. What do some of the top coaches in the USA think of the ridiculous times? JavaScript is required for this website to work properly. The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes. You can argue you havent peaked yet, though if you are training short to long, then your emphasis over the fall and winter should be 60 meters anyways. For a better experience, please enable JavaScript in your browser before proceeding. The formula to convert from yd/h to mph is: Next, let's look at an example showing the work and calculations that are involved in converting from yards per hour to miles per hour (yd/h to mph). Reason and logic can indicate that if you draft players with raw speed ability, theres a great chance that they will play fast for you on game day. Awesome work Cameron, thanks! But how many of us are really doing whats necessary to improve our football players speed? In my experience, if you keep quality high, linear sprint workouts for football players usually dont need to exceed 300 yards in one workout. And we saw what happened in London 2012. We don't put the .17 back on because the 40 doesn't typically involve reaction) So, an 11.17 100m for example. So, we can see that having very high raw speed will improve an athletes ability to hit better times at any given distance. Most of them were clustered in the 7.95-8.05 second range for the 60 and 12.45-12.60 for the 100. To provide the best experiences, we use technologies like cookies to store and/or access device information. Whilst every effort has been made to ensure the accuracy of the metric calculators and charts given on this site, we cannot make a guarantee or be held responsible for any errors that have been made. English distances for field events should always be expressed as feet dash inches. This is where a lot of coaches get it wrong. I already wrote 6 Reasons Why Kim Collins is Clean. (add the new events like Steeplechase, Hammer Throw and Triple Jump) Forget the 100mH-100-200-400-800 and forget the 1500-3000-10,000 meters. 40 yd dash for football are ususally on art.turf, or grass, hand timed an/or if laser timed w/ no RT off a gun. More people are reading SimpliFaster than ever, and each week we bring you compelling content from coaches, sport scientists, and physiotherapists who are devoted to building better athletes. Flying sprints are both workouts and tests. he could work on his start? What did he do? However, Ken Clarks research expressed the importance of maximum velocity for field athletes. If we base our speed assessment on velocity rather than 40-yard dash time, we can conclude that Will Fuller is the faster athlete of the two, minimal though the margin may be. It measures the number of miles traveled in an hour. Of course, training for a 100 meter dash is ridiculously different from training for a 100 mile race, so just because the calculator gives you an equivalent time doesn't mean you'll automatically be able to run it. It makes sense that coaches and scouts have put the 40-yard dash on such a pedestal. Bailey 6.48 9.93 9.94 .01 Then we can talk 70 to 100 meter conversions. While our goal as coaches is to help remove limiting factors to a players performance, if we are responsible for their physical development and see that they are not fast enough (based on velocity) then we owe it to them to help them get faster. RTR! Perhaps a 60 meter runner would run a faster 40 yard dash then a 60 meter dash as he would run a little differently. Home of the BamaNation. For additional perspective, here are the top five fastest velocities achieved during 2016 NFL regular season games, according to NFL Next Gen Stats3: Keeping in mind that these numbers were achieved during live game action, while wearing full equipment, we instantly notice how dominant and unique the speed of Tyreek Hill is in comparison to his peers. -"electronic" 40 yard dash times begin with a human starter [based on runner's 1st movement] and a laser finishwhich happens at the NFL Combine If we are indeed getting faster, why arent we seeing faster 50 and 60 meter times? Now, most players get their times from college camps, nike combines, etc, which use accutrac electronic timing or coaches trained to time unobjectively. English distances for field events should always be expressed as feet dash. To convert from metric to English, merely reverse the process: i.e., instead of subtracting .3 second from a 440-yard time, you add .3 second from the metric time to find the 440-yard time. I think hes worth considering!. Create an account to follow your favorite communities and start taking part in conversations. In other words, it allows the athlete to consistently achieve higher than 100% maximum velocity. Do we care more about the 40-yard dash time itself, or the fact that our players are getting faster? That's why you see more and more wr's and db's with 4.5's and 4.6's getting big time offers. Our conversions provide a quick and easy way to convert between Speed or Velocity units. Then add 1.00 (for acceleration. Using a hand timer may be very difficult due to the speed of motion, and it would likely display a split time that is largely invalid. Estimate 60 meter time from 100 meter time: Divide 100 meter time/1.535. When Maurice Greene ran a 9.79 100 meters, his estimated 40 time was about 4.38 seconds. Would you recommend a 10 yard running start for a flying 10? Due to the acceleration pattern of football players, 20 yards seems to constitute around 93-96% of maximum velocity, regardless of position. We have seen the acceptance of this in the field, as strength and conditioning has made its way into almost every high school, university, and professional athletic realm. My other projects include the Bud Winter Foundation, writer for the IAAF New Studies in Athletics Journal (NSA) and a member of the Track & Field Writers of America. GREAT ARTICLE !!

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60 meter to 40 yard dash conversion