The super-shoe that could unofficially break the marathon world record: Puma unveils £310 trainer with a double carbon plate 'springboard' - but admits it's NOT race-legal
The £310 trainer is not race–legal, meaning any records broken in it would be unofficial. Dubbed the 'FAST–RB NITRO Elite 2', the futuristic shoe features two carbon plates that have been fused together to form a 'springboard'. Puma claims the shoe 'represents the next frontier of running', while acknowledging that it's not race–legal. Romain Girard, VP of Innovation at Puma said: 'With the FAST–RB 2, we set out to take rule breaking to the next level. 'By simplifying the design and giving our NITROFOAM technology more room to perform, we've created a shoe that delivers the highest energy return we've ever recorded in our testing, within an incredibly lightweight package.' Puma spent two years crafting the shoe, according to Mr Girard. He explained: 'Two years of innovation, lab testing and collaboration with athletes have gone into refining the experience, bringing together…