Course
Point-to-point ultra from Iffley, Oxford, to Henley-on-Thames along the Thames Path and Ridgeway National Trails through riverside villages. Roughly 86% cross-country trail and riverside path, 14% road, with five checkpoints.
Key dates
- !RegistrationOpen now
- ★Race daySat 24 Oct 2026
About
This demanding run along the Thames is one of the most popular events in the British ultra running calendar. Runners will enjoy the company of England's largest river as it makes its way past ever-changing scenery, beautiful houses and traditional rowing clubs. Expect everything from tarmac paths to muddy trails on this interesting and challenging course.
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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.