ORANGETHEORY
OrangeTheory Fitness, various locations
One for the science-minded (and competitive) gent, Orange eory’s tnesstracking tech displays your heart rate and performance data in real time, allowing you to theoretically keep yourself in the fat-burning ‘orange zone’... but also, er, to compare yourself to everyone else as you sprint, row and suspension-trainer yourself into shape.
BENEFITS: Competitive spirit / Recovery orangetheory tness.co.uk