4:17
How to Rank Yourself vs Bolt / Farrah (100m Race: Usain Bolt vs James Corden)
FastFitnessTips: Cycling Science!
2:23
Running Phases in Super Slow Motion: Frame-by-Frame using High Speed Photography
16:52
Running Basics: How to time your run, measure pace (speed/cadence) & rank age adjusted performance
6:13
Running a sub 20min 5k: How difficult is it really? (the science and statistics)
5:31
Are Expensive Running Shoes Worth it? (Running Myths)