Trail Running calendar near Guildford 2026-2027

We have found 513 Trailruns within 80 miles of Guildford. See below where and when you can find the races.

Join a community of runners at Richmond Park for a series of timed races supporting Movember. Enjoy a hilly tarmac course with distances ranging from a kids mini run to a half marathon in a supportive atmosphere.

Run through the ancient woodlands of the New Forest National Park on flat gravel trails. Enjoy a scenic route filled with local wildlife and receive a medal and finisher gift at the Roundhill Campsite finish line.

Experience a 50 mile trail race featuring five loops through the scenic forest trails of Wendover Woods. This steep and rewarding course offers a supported ultramarathon experience in the heart of the Chiltern countryside.

UTMB Index

Off road 5 km and 10 km races around the Bath Skyline in November, with night and day options, a kids 500 m and a canicross wave. Mixed trails, muddy sections and marked routes with a large two sided medal for finishers.

Timed multi lap event on the Itchen Way in Winchester on 14 November 2026, with 2.62 mile laps that add up to half marathon, marathon and ultra distances. Flexible start format, aid station with vegan options, bespoke finisher's medal.

Multi-terrain 5 km and 10 km races in the Chiltern Hills on 15 November 2026, organised by Radnage C of E Primary School PTA with proceeds to the school. Village hall HQ offers a cafe, water stations and first aid on course.

Experience a community focused run at Southampton Common with distances ranging from 1.5km to a half marathon. Support men's health through Movember while enjoying a chip timed race through scenic parkland trails.

Run a flexible distance along the Thames in this seven-hour time challenge event. Choose your own goal from 3km to an ultra marathon on a mixed-terrain, fully-signed course. Every finisher gets a themed medal and a goody bag.

Experience a unique nighttime trail run starting from the iconic ruins of Corfe Castle. Navigate muddy autumn trails across the Purbeck Hills with three distances available for all abilities.

Run as many 3.5 mile forest laps as you wish within a 6 hour time limit at Salcey Forest. This flexible off road event welcomes runners, walkers, and canicross participants of all abilities.

A 50km fully marked trail race from Putteridge Bury with ridgeline running across Warden, Barton and Pegsdon Hills, three aid stations and a GPX route; limited to 250 runners and held under Trail Running Association licensing.

UTMB Index

Join the Thames Path Trail Run in Berkshire on Saturday 21 November 2026 for scenic riverside running from Alexandra Gardens. Choose 21 km or 16 km on flat trails and finish with a medal, drink and goodies.

A guided 10 km trail run in the Chiltern Hills that finishes with a private tour and tasting at Tring Brewery. Run leaders group participants by ability and the tour includes a tasting plus a bottle or a pint.

Experience the unique challenge of the UK's first fully underground marathon inside a historic naval bunker near Portsmouth. Wear your mandatory headtorch and helmet to navigate this distinctive lapped course 100 feet below the surface.

Enjoy a 14 mile trail run through scenic terrain starting with an immediate climb from Southease. This late autumn event features muddy paths, chalk descents, and rewarding refreshments at the finish.

Experience a scenic 10k run through the streets of Kingston and along the river towpath. This chip timed event starts and finishes at the Hawker Centre and features a finisher medal plus a post race goodie bag for all runners.

Experience a guided 10km trail run through the spectacular natural amphitheatre of the Devil's Punchbowl. This social group run features beautiful Surrey hills and is available as both a sunset and a headtorch night edition.

Experience the beauty of the South Downs National Park with three trail distances starting from Plumpton Racecourse. Enjoy coastal views and expansive countryside vistas on routes ranging from 9km to a half marathon.

Take in riverside views at the Riverside Marathon and Half Marathon in Walton on Thames on 28 November 2026. Flat, UKA certified towpath course, limited places, medals for all finishers and virtual entry available.

Scenic riverside marathon and half marathon on a flat UKA certified towpath from Walton on Thames to Hampton Court and back. Lapped format with finisher medals and virtual entries.