Test yourself … new cycling, running and swimming challenges
Tough challenges – from an ultra-run along Hadrian's Wall to a quadrathlon in Poland
Tri, and try again – the Lake District’s toughest triathlon
The Ullswater area of the Lake District is Kevin Rushby's favourite place in the world. But will he still love it after tackling the notoriously gruelling Helvellyn Triathlon?
No ironic spin is possible for SoulCycle coming to Williamsburg
Emma Brockes: New York's 'sincerity wars' have been prematurely curtailed – by the arrival in hipster central of an entirely irony-free exercise cult
Thirteen reasons to go for a walk
Open thread: On average, we're walking 80 miles less a year than we were a decade ago. Our readers tell us why they buck the trend
Which really is more deadly: cycling or sitting down watching TV?
Peter Walker: New scientific guidance about the 'invisible danger' of inactivity puts cycle safety in perspective
Ditch the car to walk or cycle short journeys ‘for healthier Britain’
National Institute for Health and Clinical Excellence says 'invisible burden' of inactivity and obesity as harmful as smoking
Self-tracking: the people turning their bodies into medical labs
As well as helping to track finances and organise social lives, smartphones are encouraging some people to monitor their health and wellbeing. Tim Lewis reports
Ultrarunning: the route to the ultimate runner’s high
Running the 100km Norfolk Coastal ultramarathon gave Nick Van Mead the biggest runner’s high of his life. Why was it so powerful - and could it be addictive?
Zombie games: run for your life
When Lizzy Dening signed up for a 5k zombie run, she thought it would be a bit of fun. It turned out to be truly terrifying ...