Trail Running calendar near Guildford 2026-2027

We have found 547 Trailruns within 80 miles of Guildford. See below where and when you can find the races.

Explore the ancient woodlands and chalky ridges of the Chiltern Hills with five trail distances ranging from 8km to a 50km ultra. Enjoy a plastic free racing experience starting from the historic market town of Princes Risborough.

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This unique 50 km coastal trail run in Dorset features a fun challenge: try to finish before the runner designated as "the Ferry." The scenic out-and-back course passes landmarks like Old Harry Rocks and Corfe Castle. All participants recei..

Enjoy a flexible timed running event along the flat River Thames towpath. Choose your distance from 5km to an ultra marathon and earn a bespoke spinning medal on this fast riverside course.

Join a guided 10km trail running adventure through the scenic Chiltern Hills. Led by experienced guides, this morning run includes trail techniques and local history with a finish at a local farm cafe.

A lap based timed run at Mowsbury Park on 11 July 2026 offering distances from 5 km up to ultra with a flexible one hour start window and a choice of medal or lower cost no medal entry. Places are limited to 75.

Ultra:5K challenges runners at Box End Park in Kempston. The format requires running a 5K on the hour, either five times or three times. The fastest total time across all the runs wins.

A seven mile multi terrain trail race through Knole Park with a chip timed 3.5 km junior run. The event supports The Running Charity and includes medals, photographs and prizes for leading finishers.

Form a team and take on a 12 hour night trail challenge through the scenic fields and tracks of a private Dorset farm. Enjoy a relaxed atmosphere where you decide your own distance and earn a finisher medal.

Experience a relaxed trail run through the fields and wildflower meadows of a private farm in Dorset. This undulating one lap course is open to all abilities and offers an optional weekend of camping.

Join this 12 hour solo trail challenge at Myncen Farm in Dorset. Complete as many laps as you choose on a scenic farm course featuring fields and dusty tracks with optional weekend camping available.

A weekend trail running festival at Mill Farm offering 50 km, marathon, 16 mile, 12 km and a 2 km family flower trail, plus camping, glamping, yoga, live music and stocked aid stations.

Evening trail running at Wendover Woods on 18 July 2026 supporting the Chilterns Neuro Centre. Options include 10K 5K and an accessible 1.5K loop on fully marked woodland trails.

Experience a unique festival of running at Blackland Farm with 12 and 24 hour solo endurance challenges. Explore a scenic 1 mile off road loop featuring woodland trails and inclusive camping for a complete weekend experience.

MacTuffX Brighton features a unique fitness racing format based on ten intervals of 400m or 800m. Available for individuals, doubles, or relay teams, this event offers a variety of ways to compete in July 2026.

Enjoy a relaxed two lap trail run through the fields and orchards of Myncen Farm in Dorset. This event offers a 10k course open to all abilities with a supportive atmosphere and optional weekend camping.

Trail races of 10 km, 5 km and a 2 km children's fun run take place on the Winwick Hall Estate, with marked routes, on-course support and water stations. A portion of entry fees supports the Bruce Green Foundation.

ATW St Albans Summer 10K on 19 July 2026 is a single lap, chip timed 10K around Highfield Park and the Alban Way with a grass finish and mostly traffic free roads. The event village features a free family fun run, cafes, live music and fund..

Trail races of 10 miles and 5 miles through Ashdown Forest featuring hard packed trails, 1568 ft of elevation and long climbs and downhills. The event includes a bespoke medal, vouchers for winners and free parking.

Set your own distance goal in this 6-hour trail running challenge. Runners complete as many 5K loops as they can on a scenic, 95% off-road course. Every finisher receives a medal.

Experience a multi loop cross country run through the scenic Surrey Hills on the tracks around Holmbury Hill. Choose between a half marathon or a ten mile distance and earn a bespoke medal at this well marshalled event.