Three Shires Way Ultra & Marathon

JUN
20
2026
Tackle the Three Shires Way with point to point trail races around Grafham Water, finishing at Marlow Park. Choose the 50 mile ultra or the marathon and enjoy rolling countryside, ancient woodlands and full support for a memorable challenge.
Sat 20 Jun 2026
50 miles 26 miles

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Three Shires Way Ultra & Marathon

The event on 20 June 2026 offers two point-to-point trail races organised by Race Harborough around Grafham Water, finishing at Marlow Park, Grafham Water, Grafham, Huntingdon, PE28 0BH. The routes follow the Three Shires Way through rural landscapes and ancient woodlands across the county boundaries of Buckinghamshire, Bedfordshire and Northamptonshire.

  • 50 Mile Ultra
  • Marathon

Race details and support

Both races are licensed by the TRA and held under UKA rules. Minimum ages are 20 for the 50 mile race and 18 for the marathon. Entry fees are shown as £70 for the 50 mile and £40 for the marathon; club-affiliated runners receive a £2 discount. Entries and transfers close seven days before the event. No pacers are permitted. Race cut-off times are 14 hours for the 50 mile and 8 hours for the marathon, with progressive cut-offs at checkpoints. GPX route files are provided.

The organiser will provide professional first aid at the start and finish and on-course access to runners. Volunteers will staff aid stations offering hydration and nutrition. Coaches run from the finish to the start locations for a fee when booking entry, and reduced-price parking is available at the finish. Trail shoes are advisable. Mandatory kit includes a charged mobile phone, at least 1 litre water capacity, survival blanket, whistle, and a personal cup; additional items are required for the 50 mile race. Prizes are awarded to the top three male and female finishers and all finishers receive an event medal. Free digital race photos will be available after the event. Visit the organization's website for the most recent information.

50 mi
50 Mile Ultra
26 mi
Marathon