Trail Running
Mountain Biking

Welcome to Tri-Adventure

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…

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

Upcoming Events

Sunday September 27th
Effingham Adventure Event

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Save Sunday October 18th for the next event

Details to be confirmed…


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We will also be back in November…

Dates to come soon!

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The Hurtleberry Off-Road

Duathlon and Trail Run

Sunday 15th November

Information about the Next Events