Trail Running
Mountain Biking

Welcome to Tri-Adventure

Tri-Adventure is a young and exciting Adventure Racing company, owned by an adventurer and run for adventurers of all abilities.

So, you’ve seen an advert for a 12 hour race, but you’re worried that it’s a big step up from the 2 or 4 hour races you’ve been doing? Scared that it’s too much to take on? Read on…..

We offer a variety of Adventure Races and Activities, including trail running, mountain biking, and navigation, that challenge people at all levels – all in close proximity to London. read more…


 Autumn/Winter Events

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The Hurtleberry
Off-Road Duathlon
and 10k Trail Run
4th September

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Shere Adventure Race

18th September

Navigation Training
17th September

Information about the Next Races