Thames Path Ultra Challenge
London, United Kingdom • 12-13 Sep 2026
Thames Path Ultra Challenge
The Thames Path Ultra Challenge takes place on 12/13 September 2026 along the Thames Towpath, starting at Putney Bridge and finishing in Henley. The route runs upstream and passes Richmond, Hampton Court, Runnymede and Windsor, ending at a riverside finish. The event typically attracts over 3000 participants and allows walking, jogging, or running, with solo and team entry options.
Distances available include:
- 100 km
- 75 km
- 50 km
- 25 km
- Henley 10K
The weekend also includes a separate 25 km Thames Bridges Trek and the Moonlight 10 Walk through central London as part of the festival programme.
Support and logistics are provided along the route. Covered rest stops appear approximately every 12.5 km with major stops about every 25 km; catering includes snacks at shorter intervals and meals at longer intervals, with dietary requirements catered for. The route is signed with arrows and glow-sticks where needed, and a GPS tracking app records progress. Timing checkpoints scan participants at rest stops and progress is monitored by a control room.
Medical and welfare provision includes doctors, paramedics, first aid, podiatry and massage teams, plus self help blister supplies and mobile emergency medical teams. Camping packages, shuttle buses to local stations and other transport options are available. Visit the organization's website for the most recent information.