Thames Path Ultra Challenge
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Event overview
The Thames Path Ultra Challenge takes place on 12 - 13 Sept 2026 along the Thames Towpath. The route runs from Putney Bridge / Fulham to Henley-on-Thames and passes Richmond, Hampton Court, Runnymede and Windsor. The event typically attracts over 3,000 participants at the Putney Bridge start. It is part of a weekend Thames Path Festival that includes the Thames Moonlight 10 and Thames Bridges Trek plus the Henley 10K.
Distances offered
- 100 km (full continuous)
- 100 km (2-day daylight option)
- 3/4 distance (listed as a three-quarter challenge)
- 50 km (first or second half options)
- 25 km (quarter distance)
- 10 km (Henley 10K, riverside loop)
Route details, support and categories
The full continuous route shows 350 m total climb. The two-day option splits into two 50 km stages with listed climbs of about 200 m and 150 m. Quarter sections list distances of 28 km and 22 km with small elevation figures. Route marking and safety include a fully signed course with pink arrows and night glow-sticks, GPS tracking via an event app, and a timing system that scans at rest stops. Covered rest stops appear roughly every 12.5 km, with major stops about every 25 km. Medical, podiatry and massage teams are provided. Camping packages, shuttle transfers, finishers’ T-shirt, medal and a finishers meal are available. Special categories include Ultra March for brisk walkers and a new Trailblazerz category for faster competitive runners. Visit the organization's website for the most recent information.
