Grafham Water Trail Races

OCT
10
2027
Fully marked trail races at Grafham Water offering 10k and half marathon routes with water stations, first aid, finishers' medals and local charity support.
Sun 10 Oct 2027
Half Marathon 10 kilometers

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Grafham Water Trail Races

Grafham Water Trail Races are fully marked and marshaled trail races based at Marlow Park, Grafham Water, Huntingdon, Cambridgeshire. The event offers two distances that follow trails and sections of the Three Shires Way bridleway and include stretches around the reservoir, with views of the water.

Distances:

  • 10k
  • Half marathon

Both routes leave Marlow Park heading west towards Easton; the 10k returns on an outward bound track while the half marathon continues with a large lap of the reservoir. GPX downloads of each route are provided. Arrow signs fully mark the courses. No in-ear headphones are allowed; bone-conduction headphones are permitted.

Entry rules and logistics include minimum ages of 16 for the 10k and 17 for the half marathon, a four hour race cut off for both races, and a prohibition on running with dogs on farmland footpaths. Entries and transfers close seven days before the event. Registration collects race numbers, timing chips and pre-ordered t-shirts. Parking is available at Marlow Park subject to park fees; car sharing is recommended.

On-course support includes professional first aid at the start and finish and access to runners on course. Volunteers provide water at three stations on the half marathon (3.4, 5.7 and 10 miles) and one station on the 10k (5.1k), with water also at the finish. Trail shoes or shoes with grip are advisable. Mandatory items include a fully charged mobile phone with organiser and medic contact details and a personal cup, as the races are cupless. Prizes are awarded to the top three male and female finishers in each race and all finishers receive a race medal. The event supports local foodbanks as charity partners and provides free digital race photos after the event. Visit the organization's website for the most recent information.

Events nearby

A Halloween-themed night run at Irchester Country Park offering a 5k race and a 2k family fun run with medals, treats, free photos and marshals on the course.
An evening timed run at Riverside Park in St Neots on Halloween offering laps of a 5.3 km out and back course. Head torches are compulsory and all participants receive a finishers medal, with distances from one lap to ultra.
A lapped Remembrance Run at Ferry Meadows on a 5.3 km traffic-free loop, offered in 4- or 6-hour formats with an aid station each lap.
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