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An Observational Study of the Effect of Vaporfly Shoes on Marathon Performance

Joseph Guinness, Debasmita Bhattacharya, Jenny Chen, Max Chen, Angela Loh

Researchers One

We sampled elite marathon runners and determed their shoe models worn in marathon races. By fitting statistical models that controlled for runner ability and marathon difficulty, we estimated that Nike's Vaporfly shoes impart a significant advantage in marathon running, on the order of 2 to 4 minutes.