The water myth It can be just as harmful to drink too much water as too little. It all depends how much you sweat, says Peta Bee
Will my injured ankle set me back? Kira Cochrane: The day after the accident, with an ankle like a blue bowling ball, I swam 42 lengths
Swimmers, I’ll see you outside Kate Rew: Watching the Olympics gives some indication of the ease of life underwater: but it's so much better outdoors
Two wheels Claire Armitstead: Not until you go to Mont Ventoux can you appreciate just how different pro cyclists are from the rest of the human race
Fitness through the ages Keeping active is key to a healthy lifestyle. However, our bodies' needs change as we get older and we need to target our exercise accordingly, says Andy Darling
On your own head be it Parisians seem too intent on preserving their hairdos to wear cycle helmets. Stuart Jeffries investigates
Be the best at … swimming Lisa Buckingham: If you were taught front crawl in the 70s or 80s, you'll find a lot has changed
Two wheels Iain Marshall: Cycling is a collection of habits and muscle memories, learned in childhood that are never wholly forgotten
Walking with the fishes Swimhiking allows you to travel miles on land and water and leaves you feeling like Tarzan