Pierre-Jean Vazel

Freelance writer specialized history & science of athletics performance. Chronicler & consultant for LeMonde; blogger at vazel.blog.lemonde.fr. A French correspondant for IAAF.

Articles By Author

Keni Harrison World Record Photo Finish|Kine Harrison World Record Finish|Harrison and Donkova Hurdle Split Comparison

Analysis of Keni Harrison’s World Record 100m Hurdles Race

By Pierre-Jean Vazel

Greek Runners|Greek Runnser|10.27 m/s|10.48 m/s|10.88 m/s|11.66 m/s|11.10 m/s|11.11 m/s|11.33 m/s|11.40 m/s|12.04 m/s|11.95 m/s|11.72 m/s|11.78 m/s|11.82 m/s|11.90 m/s|12.04 m/s|12.01 m/s|12.20 m/s|12.35 m/s

A Historical Progression of Sprinting Top Speed World Bests

By Pierre-Jean Vazel

Blue Track

An Exclusive Look into Usain Bolt’s World Record Warm-up

By Pierre-Jean Vazel