Not everybody comes to Southeast Asia to relax at the poolside. A few travel here to test themselves against the clock, against others, and against the landscape, through a number of tough competitions.
In Langkawi, Malaysia, you have the Ironman - one of a global series of triathlons where challengers race against each other on bicycles, by foot, and through the sea. Throughout the region, full-length marathons like those in Singapore and Cambodia's Angkor Wat draw thousands of racers raring to carve out new personal bests. And in Thailand, a few tourists come to take up the ancient and brutal art of Muay Thai.
Feeling up to the challenge? Click on one of the articles below to choose an endurance sport that you can pit yourself against.