Trail Running calendar near Grafham Water 2025-2026

We have found 366 Trailruns within 80 miles of Grafham Water. See below where and when you can find the races.

Challenge yourself at Spring Run on 22 March 2026 at Northampton Active, where a six hour timed event lets you tackle distances from a 5K up to an ultra marathon. Enjoy lap support, a Spring Run medal and a generous goody bag.

Join Zach’s Devil Steps Trail Run on 22 March 2026 to tackle scenic Essex trails and raise funds for Cancer Research. Choose 3.5 or 7.3 mile routes, enjoy a self start format, and secure one of only 120 places for a fun timed charity run.

Take on a 10k under the stars through scenic Salcey Forest on a marked two lap night trail where a head or chest torch is required. Petzl will bring demo lights and there will be hot drinks and a lively post race atmosphere.

Elephant Challenge is a six hour off road lap event at Salcey Forest where runners, walkers and canicross teams cover as many 3.5 mile loops as they like. Expect forest trails, possible mud and distances from 5 km to 80 km plus.

Join a guided 10km trail run at atmospheric Hankley Common, often held as sunset or night runs and passing the Lion's Mouth and famous film locations. This relaxed group run is not a race so enjoy guided trails, varied views and unique mili..

Run the Chiltern Hills on a guided trail half marathon based at The Home Office in Tring, led by qualified leaders who group runners by ability and teach trail technique. Enjoy scenic trails, a midcourse refreshment stop and finisher medal.

Run 17.5 miles around the scenic Ashridge Estate on 28 March 2026, starting and finishing in Aldbury. The trail climbs to Ivinghoe Beacon and a share of entries supports the National Trust; water stops and finisher gifts provided.

Take on a scenic 32 mile loop from Baggeridge Country Park on 29 March 2026, mostly traffic free and featuring canal towpaths and a compulsory head torch section through the 2.7 km Netherton Tunnel. Enter solo, as a pair or a team of four f..

Join the Run Upcote Spring Trail on 29 March 2026 at Upcote Farm for a scenic 5 mile off road race across bridleways, farm tracks and forest paths with testing climbs and descents. Entries are limited so expect a friendly, well supported ev..

Take on the Spring Blickling Half Marathon on 29 March 2026, starting and finishing at Blickling Hall. Enjoy a scenic multi terrain route, bespoke medal and finish line treats while helping EPIC Norfolk reinvest profits into local sport.

Take on a scenic 10K through Epping Forest on 29 March 2026, two laps on traffic free forest tracks with an undulating, multi terrain route. Limited to 600 entries and finishers receive a medal.

Take on the Gauntlet Treasure Run along a flat riverside towpath in Walton on Thames, doing laps of a 5.3 km out and back to build any distance from 5k to ultra within seven hours. Limited places and every finisher gets a medal.

Choose your distance on the day and tackle scenic looped courses through woods and trails around Chalfont St Peter, with pacers welcome and a trained medic on standby. Distances from 7k to ultra are offered and top three finishers earn meda..

Join The One in the Woods Henley on March 29, 2026 at Culden Faw Estate for duathlon, cross duathlon or offroad endurance on scenic laps. Expect chip timing, a finisher medal and a lively event village.

April 2026

Celebrate the Galloping Grind reopening with the Easter Egg 10k trail in Chelmsford. Limited to 30 runners, this dusk run includes an on site chocolate egg hunt and a limited edition T shirt.

Run or walk riverside laps along the Thames at the Eggcellent Easter Orange Run in Runnymede, a flexible multi distance event for all abilities. Choose anything from 3 km to a 7 hour time challenge and earn an Easter egg themed medal.

Join the Eggcellent Easter Pink Run in Egham for a friendly seven hour timed challenge along the Thames where runners and walkers choose how far to go. Enjoy riverside trails, an Easter egg medal and a tasty goody bag at the finish.

Join the Pink Moon Ladies Trail Half Marathon, a women only trail run through Sutton Springs Wood on 4 April 2026. Finishers get a medal and campfire cake with hot drinks while supporting The Elm Foundation.

Join a scenic trail run around Carsington Water on Saturday 4 April 2026 with 10K and half marathon options on undulating paths around the reservoir. Finish in the lively event village with food, freebies and a focus on sustainability.

Enjoy a scenic, multi terrain loop around Chasewater Reservoir this Easter with friendly marshals, bespoke medals and optional costume fun. Distances from junior runs to 20k make it perfect for families and club runners alike.