Trail Running calendar near Grafham Water 2026-2027
We have found 493 Trailruns within 80 miles of Grafham Water. See below where and when you can find the races.
0 – 100∞ km
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Trail running at Wendover Woods on 7 June 2026 offering a half marathon, a 10k and a junior run on hilly forest trails with route maps, an on site cafe and spectator attractions.
A 7 km BS Category fell race around Coombe Hill in Wendover with 220 m of ascent and a steep climb and descent. Entry includes a free pint and a reduced rate for Fell Running Association members.
A 5 mile charity trail run in Epperstone on 9 June 2026 raising funds for The Brain Tumour Charity. The undulating course includes a short hill, offers individual and club prizes, and is limited to 375 entrants.
A flexible 6-hour timed run along the flat, scenic Jubilee River near Slough. Run as many laps as you like on the 5.24-mile course, with everyone receiving a finisher's medal. The route offers countryside views and a riverside path.
A scenic 10 km route around Sandringham Estate on 12 June 2026 with chip timing, a bespoke finish medal and event photography. The mixed terrain course is marshalled and signposted and features a water station at about 5 km; in ear headphon..
A 24 hour trail race around Sandringham Estate with solo and team entries, camping and an event village. The weekend includes a five mile lap format, a children’s one mile fun run, timing, medical support and on-site facilities.
A flexible Friday run along the Thames. Choose your start time and your distance, from a 5k lap to an ultra. It's a smaller event with a lower fee, but you still get one of the famous Phoenix medals.
A timed multi-lap event on a flat 5.3 km out and back towpath course along the Thames offering distances from 5 km up to ultra with flexible start times, themed ducky incentives and a large spinning medal for finishers.
MacTuffX London on 13 June 2026 combines ten Xercises with ten runs, offered as 400m or 800m laps, with solo, doubles and relay entry options and a LITE weight division. Entrants must be 18 or older.
Pretty Muddy 5k at Sandwell Valley Country Park on 13 June 2026 is a muddy obstacle course with staggered wave starts and a minimum fundraising target. Facilities include toilets and refreshments but it is not wheelchair accessible.
Trail races in Kingsclere, Hampshire on Sunday 14 June 2026 with marathon, half marathon and 10k on clearly marked single-lap off-road courses. Marshals are stationed along the routes and parking is available nearby.
A guided 16k trail run at High Lodge in Thetford Forest with conversational group pacing, forest facts and practical trail-running tips, varied woodland terrain and opportunities to spot wildlife.
A community cross country 5km run and walk around Neptune and Paradise Wood with refreshments at The Plough and category awards across age groups. Walkers may bring dogs on leads and entries are limited to 250.
A Peak District fell race on 16 June 2026 covering 6.8 km with 305 m of climb around Lea Green, Matlock. Entry on the day is available for £7 and juniors may run free with the main race.
Race 3 of the Northants 5 km Series runs near Silverstone at Blackpit Farm on Wednesday 17th June. The multi terrain course passes woodlands, lakeside lawns and farmland and all finishers receive a bespoke 5 km medal.