Complete Speed Training

Reaction Time, Usain Bolt and the Pareto 80-20 Rule

November 30, 2008 by Jimson Lee

The 100 meters can be broken down into 3 parts:

reaction time,
acceleration to top speed,
speed endurance,

If you take Usain Bolt’s 9.69 time from Beijing 2008 as a percentage of time, you get:

Reaction time = 0.165 (1.7%),
0-60m without reaction time = 6.155 (63.5%),
60-100m including celebration = 3.37 (34.8%),

The term “Acceleration”, or roughly the first 60 meters or […]


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