Iconic Trail Race from the source of the river Thames to the famous Thames Barrier along one of the most famous rivers in the world through one of the worlds biggest cities. 

Run from the source of the mighty Thames all the way to Woolwich in London by the famous Thames Barrier, run past or through many of the UK's most historic towns, villages and landmarks. 

An epic foot journey to be completed in 76 hours or less with self sufficency at the heart of this solo challenge but with the support and safety of an experienced event team and GPS tracking for people to follow you on this challenge.

Please check out the full information on our website www.challenge-running.com or the event page https://challenge-running.com/t184/