Cashing in

Can stepping into hyperreality enhance your running experience? David Smyth plugs in to find out

Fitness enthusiasts are crazy about running, but the evidence shows it’s too strenuous for almost everyone. Experts should walk back the running recommendation, says former marathon runner and ancestral health leader Mark Sisson

To get a truly accurate benchmark of fitness, you need a time trial

Is there any truth to the adage ‘no pain, no gain’? Steve Shrubsall heads to the lab to find out which endurance sport is the most painful when improving performance

If you have recently taken up running, or you’re coming back to it after a long break, you might be thinking about how to approach running further or faster. Now is a great time to start a training pl

From wild hallucinations to life-changing reflections, ultra riders share their unforgettable stories of endurance grit with James Shrubsall