River Thames Run | Ultra Marathon
Welcome to a 6-hour timed running event where you can run a 5K all the way up to an ultra marathon on an out-and-back route within the time limit, with fuel stations, Rhino medal and goody bag.
Enter now- Wed 31 Dec 2025
07:30
Age 20 & over
£33-£35
- 32 miles trail running + 0 ft ascent

Event overview
This event is part of River Thames Run.
Event details
- Average fitness
- Event village
- Families
- Newcomers
- Bag storage
- Changing facilities
- Rural
- Toilets
Route
- Food stations
- Multiple laps
- Out and back
- Water stations
- GPX available
Sustainability
- Bring your own cup
What's included
- Goody bag
- Medal
Other races at event
- Wed 31 Dec
- #1 of 0
07:30
Age 12 & over
£16-£18
- 5 km trail running + 0 ft ascent
- Wed 31 Dec
- #2 of 0
07:30
Age 16 & over
£20-£22
- 10 km trail running + 0 ft ascent
- Wed 31 Dec
- #3 of 0
07:30
Age 17 & over
£33-£35
- 13.1 miles trail running + 0 ft ascent
- Wed 31 Dec
- #4 of 0
07:30
Age 18 & over
£33-£35
- 26.2 miles trail running + 0 ft ascent
- Wed 31 Dec
- #6 of 0
07:30
Age 18 & over
£33-£35
- 6 hrs trail running + 0 ft ascent