Trail Running calendar near Grafham Water 2026-2027

An undulating, chip-timed trail 10K in Skellingthorpe on 15 May 2026 organised by Lincoln District Runners. The race had a 300-runner limit, offered medals and goody bags, and is currently listed as full.

A 50 km trail ultramarathon in Nottinghamshire on 16 May 2026, starting and finishing at Milestone Brewery, with checkpoints every 6 to 8 miles, a 10 hour cut-off, finish-line food and tap room access.

A coastal point-to-point trail event in Suffolk and Essex offering 100 mile, 50 mile and 50 km options with GPS tracking, regular checkpoints and a mandatory kit list. Routes run mostly on soft dirt trail through protected landscapes.

A 50 mile point to point ultramarathon along the North Downs Way with 5,600 ft of ascent, six aid stations and a 13 hour cut off. The route is mostly trail and requires specific qualifying and mandatory kit.

The Twenty Sixth Compton Downland Challenge in Compton, Berkshire on 16 May 2026 features a full marathon and a 16 mile race with a seven hour time limit; route maps, elevation profiles and videos are provided.

An inflatable obstacle course at Brands Hatch on 16 May 2026 offering laps of a 2.5 km circuit with 2.5 km, 5 km, 10 km and 15 km options, music zones, water stations and a finisher medal.

Trail races at Tackeroo Campsite in Cannock Chase with 10 km, half and full marathon options plus a two person marathon relay. Courses are entirely off road with rolling terrain, singletrack and regular feed stations.

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.

A timed lapped event at Mowsbury Park on 16 May 2026 offering distances from 5 km to ultra with a seven hour time limit, flexible start window and both medal and no medal entry options; places capped at 75.

A two day Spartan Trifecta weekend in Henley on Thames on May 16 and 17, 2026, featuring Sprint, Super, Beast and Kids races along town landmarks and the riverside. Team entries and spectator tickets are available.

An off‑road marathon on 16 May 2026 along the Tissington and High Peak Trails finishing at Cromford Wharf. The festival also includes a half marathon from Friden and a 10K from Harborough Rocks.

A 5 km muddy obstacle course at Braunstone Park on 16 May 2026 where participants climb, crawl and slide through a circular course. Minimum age 13, limited weather-dependent parking, and a minimum fundraising target of £50.

Race for Life Brentwood at Weald Country Park on 16 May 2026 offers 3k, 5k and a double lap 10k across grass and woodland trails. The event is chip timed and carries a minimum fundraising target of £50.

A community organised 5k and 10k trail run or walk in the Cotswolds on 16 May 2026, offering adult and junior categories and raising funds for the Village Hall and the North Cerney School Association.

A cross-country *10 km* race at Priory Park, Reigate on 17 May 2026, organised by MCC Promotions with on-day registration, hydration stations, basic facilities and support for the charity Sport In Mind.

Explore the scenic parish of Deddington on a 5k, 10k, or 20k run through local farmland. This community event supports local schools and the Firefighters Charity while welcoming runners of all abilities.

Trail races over 10 and 5 miles at Cammas Hall Farm on 17 May 2026, using farm tracks and woodland trails. Marshals, water stations, parking and finish-line facilities are provided; transfers allowed before the deadline.

The Bury to Clare Challenge is an 18-mile point-to-point journey from Bury St Edmunds to Clare through West Suffolk's countryside. This well-marked run or walk supports St Nicholas Hospice Care. Participants receive a finisher's medal, with..

A fully guided 36 miles along the Boudicca Way from Diss to Norwich Station on 17 May 2026. This non competitive, social paced event features stocked aid stations, a bespoke wooden medal and a supplied kit list.

The Ridge Off Roader is a trail run through the scenic Chiltern Hills. It offers a half marathon and a 10k route, plus a fun 1k for kids. All proceeds support the local school.