- Joined
- May 8, 2002
- Posts
- 353,819
- Reaction score
- 38
You must be registered for see images attach
The man and woman who hold the world records for fastest marathon have something in common: They both compete in Nike Vaporfly shoes. Eliud Kipchoge, who broke the record at the 2018 Berlin marathon, donned a Vaporfly prototype for that race and again in October when he ran the first sub-2-hour marathon ever. Brigid Kosgei beat the previous world record by 81 seconds when she finished the 2019 Chicago marathon in 2 hours, 14 minutes, and 4 seconds. Both independent and Nike-sponsored studies have showed that the shoes increase athletes' energetic efficiency by 4% or more. But some runners and experts say the footwear confers an unfair advantage. World Athletics, which governs most international
Continue reading...
