Online tribes spring up around high-intensity events such as Hyrox as fitness becomes more social

F

or people looking to get in shape with a new exercise regime, slow and steady used to be the received wisdom for long-term change. But judging by fitness trends that are sweeping across the parks, streets and gyms of the UK, the solitary morning jog is giving way to something more high-octane.

More gym-goers are signing up for fitness competitions, ranging from obstacle courses to high-intensity events and races, which combine cardiovascular exercise and strength training.

Experts say the boom is driven by younger generations seeking connection as much as competition, with many of these workout devotees belonging to online fitness tribes of amateur athletes of all sizes and shapes. Women are entering events once dominated by men, while over-45s are signing up in increasing numbers.