Trail Running calendar near Guildford 2026-2027

We have found 532 Trailruns within 80 miles of Guildford. See below where and when you can find the races.

Experience the inaugural Alice Holt Wild Trail Runs in the wooded paths of Surrey. Choose between a 10 km or Half Marathon distance with chip timing and finishers medals included for all participants and their canine companions.

Celebrate twenty years of multisport events with this self navigated 10k trail run in East Sussex. Enjoy a route across public footpaths and hills finishing with a commemorative medal and a drink at the local pub.

Experience a scenic midweek summer evening trail race through the forest paths of Moors Valley Country Park. This chip timed 10K event offers a dog friendly atmosphere and sustainable race practices near Bournemouth.

A flexible 6-hour timed run along the flat, scenic Jubilee River near Slough. Run as many laps as you like on the 5.24-mile course, with everyone receiving a finisher's medal. The route offers countryside views and a riverside path.

Enjoy a flexible 7 hour time challenge along the scenic River Thames in Egham. Run or walk as many laps as you choose to earn a medal, goody bag, and special distance pins.

A flexible Friday run along the Thames. Choose your start time and your distance, from a 5k lap to an ultra. It's a smaller event with a lower fee, but you still get one of the famous Phoenix medals.

Traverse the entire South Downs Way National Trail in this 100 mile non stop journey from Winchester to Eastbourne. Experience 3800 meters of elevation through historic landscapes with full aid station and medical support.

Experience a 50km journey through the South Downs National Park featuring stunning ridge trails and historic landmarks. This well supported event offers a challenging route from Winchester to Queen Elizabeth Country Park.

A multi-distance trail event on the Cotswold Way with options from 10 km to 100 km, supported by rest stops, catering and medical teams, plus camping, GPS tracking and dedicated categories for walkers and faster runners.

UTMB Index

Experience a scenic trail run around South East England's largest lake with distances ranging from 10km to a 50km ultra marathon. Enjoy undulating rural trails and wooded paths with stunning reservoir views throughout.

Experience the rugged beauty of the Jurassic Coast with trail runs of 7 km, 13 km, and 23 km near Swanage. This plastic free event offers technical coastal paths, steep climbs, and a finisher medal for all participants.

Experience the world largest inflatable obstacle course in Brighton. Navigate a 5k route filled with massive bouncy structures designed for a fun and active day out in East Sussex.

Test your endurance at MacTuffX London in Barking. Choose from solo, doubles, or relay categories with interval distances of 10x400m or 10x800m. This event is open to all participants aged 18 and over.

Trail marathon, half marathon and 10K at Watership Down on 14 June 2026. Single lap courses, mostly off road, with finishers items, race photos and managed road crossings.

Choose your distance at this flexible timed event along the flat Thames towpath. Run from 5k to an ultra within a 7-hour window and earn a unique finisher's medal. With a 1.5-hour start window, you can begin your run at a time that suits yo..

Run as many 3.28 mile laps as you wish along the scenic Stroud Waterways canal. This flexible timed event caters to all distances from 5k to ultra marathon with a seven hour time limit and a relaxed start window.

A multi-terrain 5 km race near Silverstone at Blackpit Farm with woodland, lakeside lawns and farmland. Finishers receive a bespoke medal and there is a virtual option to receive the medal by post.

An evening community run in Robertsbridge on 19 June 2026 with 10 km, 5 km and a junior race on an undulating multi terrain course. Post race BBQ, a bar and finisher medals plus prizes are part of the event.

Two fully signed trail routes around Richmond Park following parts of the Capital Ring. Choose a 55 km ultra or a 25 km trail, with route support, training support from Beyond Trails and an accessible start and finish.

Point-to-point 50 Mile Ultra and Marathon along the Three Shires Way through Bucks, Beds and Northants, finishing at Marlow Park Grafham Water. Licensed races with checkpoints, mandatory kit requirements, coach transfers, prizes and free ra..