Five Rivers Ultra
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Event overview
Five Rivers Ultra is a point-to-point ultramarathon taking place 16 to 17 May 2026. The event is organized by Coastal Trail Runners and finishes in Harwich (Cow Lane, Suffolk, CO12 3ER). It is held under license of the Trail Running Association and England Athletics and is a UTMB 100M index event. The route links long-distance footpaths along the Suffolk and Essex coast and passes through the Dedham Vale and Suffolk Coast & Heaths Areas of Outstanding Natural Beauty.
Course, services and rules
The course is mostly on grass or dirt trail, with more than 85% of the route off road. The route circumnavigates five coastal estuaries and follows National Trail signage for large sections, including the King Charles III England Coast Path. Routes are self-navigated with GPX downloads provided on entry and tracking supplied through Open Tracking. Indoor checkpoints provide tea, coffee and hot food. At the Harwich finish there is a rest area with bunk beds and hot food. Other event services include drop bag facility, optional limited hostel beds for 100-mile entrants (Friday night, breakfast included), optional buses to start for 100-mile entrants, a tech t-shirt and a finisher memento for finishers.
Distances and entry
- 100 miles (32 hour cut-off) - starts in Blaxhall
- 50 miles (24 hour cut-off) - starts in Trimley
- 50 km (9 hour cut-off) - starts in Shotley
Minimum age is 20. Entries open 12 May 2025 and close 27 April 2026. Entry fee tiers are listed for each distance. Visit the organization's website for the most recent information.
