4 ms·
The 100m dash have three phases, acceleration, top speed, and speed endurance. Almost all sprinters deaccelerate at the last 20m. Bolt had very good speed endur
by z3t4 8y ago
The 100m dash have three phases, acceleration, top speed, and speed endurance. Almost all sprinters deaccelerate at the last 20m. Bolt had very good speed endurance, probably because his 200m training.
- gauravjain13 8y agoSource? And why would they decelerate? Extrapolating from your last sentence – fatigue? Would be interesting to compare acceleration at 80m in a 100m sprint vs. a 200m sprint.
- Mikeb85 8y ago> Extrapolating from your last sentence – fatigue? Yes. They train to exert the maximum amount of effort in order to optimise their time. If they're at maximum speed at the finish line it does them no good, they likely could have expended more energy to be quicker in the middle of the run to cut their time.
- drdrey 8y agoThe energy system that is used for explosive power can only last a few seconds, after that muscles have to use another energy source https://en.wikipedia.org/wiki/Bioenergetic_systems#ATP-CP:_The_phosphagen_system https://en.wikipedia.org/wiki/Bioenergetic_systems#ATP-CP:_T...