Trail Running calendar near Grafham Water 2025-2026

We have found 361 Trailruns within 80 miles of Grafham Water. See below where and when you can find the races.

Challenge yourself at the Chilterns 30, a 30 km trail across scenic Chiltern Hills with rolling woodland trails, ridgelines and village paths. Guided groups, well stocked checkpoints and a finisher medal with a Trees not Tees certificate ma..

Join Black to the Trails at Dunstable Downs and Whipsnade for a welcoming day of trail running with 1K, 5K, 10K and Scotch Bonnet 10K options. Celebrate diversity with music, food, family fun and finishers medals on scenic chalk downland.

Join Hairy Legs on 10 May for a rugged cross country across two undulating woodland laps with a few final field challenges. Every entrant gets a t shirt, a free beer or soft drink, a post race BBQ and a prize for best dressed.

Enjoy a scenic one lap 10k through bluebell woods, undulating hills and open common in Surrey at Hampton Estate and Puttenham Common. Chip timed with bespoke 2026 medals, a friendly finish village and superb views.

Join the Dinton 5km and 10km Summer Series at scenic Dinton Pastures for four monthly, flat off road laps from May to August. Family friendly with a 2 km kids race, medals, water and post race treats including an ice cream van.

Trent Valley Ultra 50k on 16 May 2026 starts and finishes at Milestone Brewery in Cromwell, sending runners through scenic Nottinghamshire villages. Finishers get tap room access, food, entertainment and a commemorative pint glass.

Run a scenic point to point trail from Dedham Vale to Harwich through coastal estuaries and Areas of Outstanding Natural Beauty, with 100 mile, 50 mile and 50 km options. Mostly flat grass and trail, UTMB 100M index event.

UTMB Index

Take on a classic 50 mile point to point ultramarathon along the North Downs Way from Farnham to Knockholt Pound, with rolling chalk ridge trails, the climb of Box Hill and about 1,700 m of ascent. Scenic, mostly trail and a true endurance..

UTMB Index

Take on the Compton Downland Challenge on 16 May 2026, choosing the marathon or a scenic 16 mile route across the Berkshire Downs and Ridgeway. Expect rolling trails, countryside views, on course aid and a hand thrown mug at the finish.

Run the Merrell Cannock Chase Challenge on 16 May 2026 at Tackeroo Campsite, Rugeley, with 10 km, half marathon and full marathon trail options. Tackle undulating off road singletrack, enjoy camping and event village perks and grab one of o..

Run through scenic vineyard hills at Denbies Wine Estate in Dorking on 16 May 2026 on a 5.3 km undulating off road loop. Choose as many laps as you like for distances from 5 km up to ultra with flexible start times and limited places.

Join the Reigate Priory Park 10K on 17 May 2026 for a scenic cross country four lap route in Surrey. Enjoy a friendly race atmosphere, bespoke medals and the chance to support the charity Sport In Mind.

Run the scenic loop at Hurtwood Park Polo Club in Cranleigh, Surrey with distances from 5 km to ultra on mostly flat off road trails. Multi lap format and a seven hour time limit suit all paces and every finisher gets a memento.

Join the Deddington Four Farms Challenge on Sunday 17 May 2026 for 5k and 10k routes around the picturesque parish of Deddington. Open to experienced runners, fun runners and families, it is a friendly event supporting local charities.

Stort10 '26 at Cammas Hall Farm on 17 May 2026 offers scenic 10 mile and 5 mile trail routes through woodland, farm tracks and quiet lanes. All finishers get a premium t shirt or a tree planted in their name plus a medal.

Take on 18 miles of scenic Suffolk countryside from Nowton Park to Clare Castle Country Park, running or walking at your own pace. With a friendly atmosphere, medal for all finishers and support for St Nicholas Hospice, this is a challenge..

Tackle the Peak District on 21 May 2026 at the Parks Life fell race in Belper Parks Recreation Ground. Choose the main 7 km route with 210 m climb or shorter junior races for U12 and U10, with on the day entries available.

Run the scenic Carsington Hill Race in the Peak District, a hilly 9.5 km course with 267 m of climb that rewards strength and stamina. Village atmosphere and easy online entry make it a superb spring challenge.

Run at Grimsthorpe Castle at the Grim Reaper Running Festival with races from 10 mile to 100 mile and a team relay. Scenic 10 mile loop through ancient woodland and lakeside trails, plus night options, medals and on site camping.

UTMB Index

The Fox invites trail runners to Surrey on 23 May 2026 with 20K, 41K and 62K routes starting from local villages. Courses are well marked with regular aid stations and a shared finish in Godalming.