Five Rivers Ultra
Woodbridge, United Kingdom • 16-17 May 2026
Five Rivers Ultra
The Five Rivers Ultra is a point-to-point ultramarathon taking place 16-17 May 2026. The event finishes in Harwich, Cow Lane, Suffolk, CO12 3ER, and is organised by Coastal Trail Runners. Minimum age to enter is 20. Entries open 12 May 2025 and close 27 April 2026. Entry fees (early and later rates) are listed for each distance and increase from 01/01/2026; affiliated competitors receive a small discount. The event is a UTMB 100M index event and is licensed with the Trail Running Association.
Course and logistics
Distances offered:
- 100 miles - start in Blaxhall, full circumnavigation of five coastal estuaries
- 50 miles - start in Trimley, coastal estuary sections
- 50 km - start in Shotley, coastal estuary sections
The route follows named footpaths and long-distance waymarked trails along the Suffolk and Essex coast, with more than 85% of the route on grass or dirt trail. Routes are self-navigated; GPX downloads are provided on entry. Facilities include drop bag service, indoor checkpoints with hot drinks and food, tracking via Open Tracking, rest area and bunk beds at the finish, tech t-shirts and a finisher memento. Optional limited hostel beds are available for 100-mile entrants the night before, with breakfast included. Approximately 32 participants are listed so far. Visit the organization's website for the most recent information.