The winner of the 2019 New York City marathon and the fastest marathoner in the world share a few things in common: They're both from Kenya, they train together, and they wear Nike Vaporfly ...
Vaporfly! These shoes have redefined speed with their unique designs, from carbon fiber plates to ZoomX foam, but how do they stack up in real-world performance? From laces to weight to race-day ...
But his impressive feats have compounded in the past five years, following the debut of Nike's Vaporfly shoe technology. But when asked about critics who say Vaporfly technology confers an unfair ...