Why We Run: A Story of Obsession by Robin Harvie – review
Tim Lewis discovers why extreme distance runners really are a breed apart
Fast friends – a running camp in Kenya
A new holiday for runners in Kenya's Rift Valley offers top-notch facilities and a schedule that will leave you breathless, says Adharanand Finn
Snowboarding ‘less deadly’ than skiing, study finds
Professor concludes that snowboarders, though more likely to get injured, are a third less likely to die on the slopes than skiers
My waistline for a horse
Dominic Prince was knocking on 50 and drastically overweight. He decided to combine dieting with his dream of being a jockey – but it would mean abandoning his family
The gym or the great outdoors: which is the best form of exercise?
The Guardian took part in a month-long experiment to find out how the environment we work out in can affect our fitness results
What’s in your basket, Rebecca Adlington?
The Olympic swimmer doesn't win any golds from Dr John Briffa for her diet
Jonny Wilkinson: How to eat well – and get well
What do top athletes eat to stay in peak condition? England rugby player Jonny Wilkinson shares his daily dietary habits
Why dogs with bad knees could help sport stars’ fitness
Research into cruciate ligament problems in Newfoundland dogs will lead to comparison with human sufferers
Brighton marathon a match for Boston
DD Guttenplan: Thanks to Iceland's ash cloud my Boston marathon attempt was grounded – but I found out Brighton's event has its own delights
How I got my body: Armand Traoré
The Arsenal full-back on faith, sweets and tattoos