Does Nike's Vaporfly running shoe offer an unfair advantage?

Nike's Zoom Vaporfly shoes were in the spotlight in 2016 when they were worn by the first three finishers in the Rio Olympic men’s marathon. Since then records have tumbled as more athletes use the shoe that has a carbon fibre plate underfoot. The impact of the shoes and coaching is explored in Nike’s Big Bet: Alberto Salazar and the Fine Line of Sport to be shown on The Passionate Eye.

The Globe and Mail