The London Triathlon 2010 (Olympic/Sprint/Relay)

Biggest triathlon in the world, entry open now

The Mazda London Triathlon is the world's biggest Triathlon, with 12,000 entrants and an estimated £2 million raised for charities and good causes.

The bike courses all benefit from road closures - a rarity in central London, which will allow competitors to race on traffic free roads.

For more information see www.thelondontriathlon.com