How did Usain Bolt prepare for one of the greatest performances in sprinting? This exclusive video of Bolt’s warm-up was recorded a decade ago, leading up to his record-breaking 200m race at the 2009 World Championships in Berlin.
This is the first time an historical progression of the highest speed ever recorded is published. Using bibliographical sources, including some unreleased data, it gives an account of the scientific challenge to record the human locomotion.
Keni Harrison set the new World Record for 100m hurdles by executing the best combination of flight times and run times of all other hurdlers. Pierre-Jean Vazel analyzes every aspect of Harrison’s race using videos showing various points of view plus rare, unpublished data.