Fitness racing is all the rage right now, but nothing offers quite the challenge posed by a backyard ultra, which tests both body and spirit in equal measure

The inside story of Elsey Davis’s record-setting circumnavigation of her native Cornwall – and the cruel diagnosis that drove her to take on the challenge

Scientists and elite endurance athletes are unlocking enhanced performance by going beyond previous theories about how much fuel our bodies can absorb on the run. David Smyth turned lab rat to investigate whether more can be more for everyday runners, too

Nobody believed half a tonne was possible. Then Eddie Hall broke 500. Nobody thought that deadlift would be beaten. Then Hafþór Júlíus Björnsson pulled 501. And then 505. As he attempts to lift 510kg, we went backstage at the Mutant World Deadlift Championships to witness history in the making

From marathons to Hyrox , workout regulars are training like elites to find purpose, community and proof of what their bodies can do. Is this the ultimate antidote to life in 2025?

For the last five years, Anna Troup has been winning some of the toughest trail races you can find in the UK. Troup only took up ultrarunning in her 40s, but her background as one of the winning team