A climate emergency-themed workout? It sounds gimmicky, but this 45-minute session at Gymbox Farringdon will probably make you think as well as sweat. Extinction Training takes places in an oppressively heated room – you'll wear a mask that restricts oxygen and only have access to limited water. Genuine awareness-raiser or greenwashing? There's only one way to find out.
12a Leather Lane, EC1N 7SS. Farringdon. A range of membership options available