Three Shires Way Ultra & Marathon

Three Shires Way Ultra & Marathon

The event takes place on Saturday, 20 June 2026 and features two point-to-point races along the Three Shires Way through Buckinghamshire, Bedfordshire and Northamptonshire. Distances:

• 50 Mile Ultra
• Marathon

Entries and rules

Entries are available via Let’s Do This. Entry fees are £70 for the 50 mile ultra and £40 for the marathon; a £2 discount applies to runners who are members of a UK Athletics affiliated club. Minimum ages are 20 for the 50 mile race and 18 for the marathon. The race cut-off times are 14 hours for the 50 mile and 8 hours for the marathon, with progressive checkpoint cut-offs. Both races are licensed by the TRA and held under UKA rules. No pacers are permitted. Entries and transfers close seven days before the event.

Route, logistics and support

The 50 mile route links with the Swan’s Way, follows county boundaries at Threeshire Wood, includes a 12.4 mile loop around Grafham Water and has an added section to reach 50 miles; the marathon route starts at Yelden. Race HQ and start locations are Hanslope Village Hall (50 mile) and Yelden Village Hall (marathon); the finish is at Marlow Park, Grafham Water. Coaches run from the finish to the respective starts and can be booked for a fee when entering. Parking at the finish is available at a reduced price. Professional first aid is provided at start and finish, with volunteers supplying hydration and nutrition at checkpoints. Trail shoes are advisable. Mandatory kit includes a fully charged mobile phone, water carrying capacity of at least 1 litre, survival blanket, whistle and a personal cup; additional mandatory items apply for the 50 mile race. All finishers receive an event medal and there are prizes for the top three male and female finishers in each race. Visit the organization's website for the most recent information.

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