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ValleyFR
09-05-2008, 11:48 PM
So you hear about people running 4.1 40's, 4.5 40's and all. But is it possible for anyone to reach those numbers? Depending on the body weight they are carrying what is needed to truley increase sprint speed? I ran a 4.96 at 280 lbs and a 4.71 at 220, so is it possible? What do you need to do to increase speed.

I had a coach tell me that you can not train someone to run a 4.7 or a 4.6 40. and i believe that is total bull ****. What do you think? Is it trainable and what do you have to do to improve. Drills, sprints, workouts ( weights and non weights).

Mike G
09-06-2008, 09:45 AM
So you hear about people running 4.1 40's, 4.5 40's and all. But is it possible for anyone to reach those numbers? Depending on the body weight they are carrying what is needed to truley increase sprint speed? I ran a 4.96 at 280 lbs and a 4.71 at 220, so is it possible? What do you need to do to increase speed.

I had a coach tell me that you can not train someone to run a 4.7 or a 4.6 40. and i believe that is total bull ****. What do you think? Is it trainable and what do you have to do to improve. Drills, sprints, workouts ( weights and non weights).

I don't think it's possible for anyone, regardless of weight, to run the really low 40 times.

I do think you can train people to run in the mid 4's, so I don't agree with the coach. When it comes to strictly 40 times, technique is huge. Get a good start and you can drop time. Work on stride length and you can drop more. Improve your mechanics as far as keeping your foot flexed and having quick turnover, using your arms more efficiently and you can drop time.

Willie
09-06-2008, 12:27 PM
Usain Bolt ran 100 m (109 yards) in 9.69 seconds.

Doing the math, that's 0.0888990 seconds per yard.
Assuming his acceleration and speed were constant (they weren't, of course) it means he ran the 40 in 3.55 seconds.

Given good reaction time to the starter pistol, good explosive start, I think a low 4's 40 is possible.

ValleyFR
09-06-2008, 01:42 PM
Usain Bolt ran 100 m (109 yards) in 9.69 seconds.

Doing the math, that's 0.0888990 seconds per yard.
Assuming his acceleration and speed were constant (they weren't, of course) it means he ran the 40 in 3.55 seconds.

Given good reaction time to the starter pistol, good explosive start, I think a low 4's 40 is possible.

I have always felt it is trainable, if you train the muscle in your body to move and extend fast enough and you rep and practice the motions, increasing it should be no problem with repetition and time in the gym. But for a football coach to say its not possible for people to get a certain 40 time. I mean i came in at 270 lbs and ran a low 4.9 and he tells me i can not touch 4.7 if i lost the weight. Went to a mizzou combine and pulled a 4.71...

powerboy93
09-06-2008, 03:44 PM
good question