Trail Running calendar near Guildford 2026-2027

We have found 427 Trailruns within 80 miles of Guildford. See below where and when you can find the races.

A chip timed multi terrain event in Willingham, Cambridgeshire offering a 10 km route and a 4 mile option on flat country roads, footpaths and bridleways. Walkers can enter without timing and proceeds support local charities.

A 21.1 km off road half marathon along The Ridgeway between Coombe Hill and Whiteleaf Hill, featuring 526 m of ascent, two on route aid station visits and full course marking near Wendover on 5 July 2026.

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Community road races of 10K, 5K and a 1K children's race near Much Hadham, organised by The Bishop's Stortford High School. Traffic free measured courses with chip timing, finisher T-shirts or an option to have a tree planted.

Two off road races around Bewl Water on 5 July 2026: a 15 mile route that includes the nature reserve and a 5 mile trail. The event is organised by Wadhurst Runners, supports the KSSAA, and features medals, t shirts, cake and beer.

A women only trail event at Denbies Wine Estate in Surrey on 5 July 2026 offering 50K, 25K, 10K and a kids race. No cut offs and options for in person or virtual participation, with profits supporting the SheRACES mission.

A guided 10 km trail run through the scenic Thursley National Nature Reserve. Experience the famous boardwalk on this flat route, offered as both sunset and night runs. It's a group run with a steady pace, and head torches are provided for..

A flexible 7-hour timed run along the River Thames. Choose your own distance from 3km to an ultra, with a scenic, signed course. All finishers get a medal, snacks, and distance pins for longer achievements.

A multi distance trail event on the Ridgeway on 11 to 12 July 2026, finishing at the Avebury Standing Stones. It offers 50 km and 100 km options with signposted runnable trails, multiple pitstops and basecamp support including hot food and..

Explore the scenic Chiltern Hills on this trail run from Princes Risborough. Choose from five distances, from 8 km to a 50 km ultra, on a course featuring ancient woodlands and chalky paths. The event includes aid stations, a cup-free polic..

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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..

Ultra:5K 2026 invites runners to tackle repeated 5 km laps on the hour for 3, 5 or 10 laps, testing endurance on a hilly, twisty trail near Bedford. Enjoy on course support, a bespoke finisher medal and relaxed festival vibes.

Run the Cider 5K.ish on Friday 17 July 2026 at Myncen Farm near Blandford Forum, a scenic one lap trail over fields, grass and dusty tracks. Part of a weekend of running and optional camping, this friendly race offers finisher goodies.

Take on the 12 hour Cider Challenge solo across undulating farm trails in Dorset this July 18, with fields, wildflowers and dusty tracks underfoot. Camp onsite for a full weekend vibe and earn a medal and goodies for every finisher.

BigHeat CampFIRE is a two day trail running festival at Mill Farm offering a 50 km ultramarathon, marathon, 16 mile, 12 km and a 2 km fun run alongside camping, yoga, live music and on course aid stations.

Race The Light is an evening trail run through the scenic Wendover Woods. Choose from 10K, 5K, or a 1.5K accessible route, with all proceeds supporting the Chilterns Neuro Centre. The fully marked course is open to runners, walkers, and whe..

Tackle the Apple Plod 10K.ish on Sunday 19 July 2026 at Myncen Farm for a two lap undulating trail run or walk through fields, wildflowers and dusty tracks. Enjoy a relaxed 2.5 hour cut off, weekend camping and finisher goodies.

Trail races at Winwick Hall offering fully marked 10k and 5k routes plus a 2k children's fun run, mixed terrain, on course support and parking; proceeds support the Bruce Green Foundation.

A chip timed 10 km on 19 July 2026 in Highfield Park, St Albans, on a flat, single lap route along the Alban Way. The event village includes a free family fun run, food, music and a charity link to Alzheimer's Research UK.

Take on the challenging trails of Ashdown Forest with a choice of a 10 mile or 5 mile run. The hard-packed course offers tough climbs, rewarding views, and a friendly atmosphere. All finishers receive a bespoke medal.

The Stow Maries Trail Challenge will take place in Stow Maries on Sunday 19 July 2026. You can run 5 kilometers.