Jessica Biel loves it and Oprah's trainer Bob Harper has gushed about 'drinking the CrossFit Kool-Aid'. For Day 19 of her 30 workouts in 30 days Anna Magee tried it
It's Week 8 of Reboot blogger Charmian Walker Smith's 12 week body challenge - she's been training three times a week at celeb gym haunt Barry's Bootcamp and seeing nutritionist Alli Godbold. Just back from two weeks in France, despite the French food and booze, Charm looked like this in her bikini- that's a result
In fitness terms, High Intensity Interval Training or HIIT is the best thing since Jane Fonda - Anna Magee spiced up her walk in the park with a free HIIT app for Day 17 of her 30 workouts in 30 days
Forget the bog-standard 10K run - Obstacle Racing is a the hot new adrenalin filled, mud-packed trend for those wanting a weekend challenge who don't mind a mess
Next month Liz Dimmock, 35, will set off from Istanbul to cycle almost 30,000km around the globe - Sports Editor Adele Norris finds out why
Athletes like Mo Farah train in high altitude locations to get the edge - now a new centre in London offers high altitude action spinning, running and rowing to the rest of us