Trail Running calendar near Guildford 2025-2026

We have found 404 Trailruns within 80 miles of Guildford. See below where and when you can find the races.

Enjoy a scenic mostly flat, traffic free course through farm fields and a pumpkin corn trail at Bullbanks Farm. Choose 10K, 5K or a family 1K, then relax in the event village with refreshments and family fun.

Race on the Chase features marathon, half marathon and 10k routes across rolling chalk downland, woodland and ancient sites in Martin Down, finishing at Salisbury Racecourse. Every finisher gets a medal and the top three men and women win t..

Run 10 km or 3 km through flat, scenic Grantchester farmland on 27 September in a friendly volunteer event. Support Maggie's Centre Cambridge and Addenbrooke's while enjoying medals, refreshments and post race treats.

October 2026

Tackle the South Downs 100 mile, a single loop through the National Park with rolling hills, stunning viewpoints and roughly 12k ft of ascent. Aid stations and a 34 hour cutoff make this a classic ultra challenge.

Run to the Sea Bournemouth is a 50 km ultra on 3 October from Moors Valley to Hengistbury Head via flat forest trails and seafront paths. Fully supported with feed stations, medical cover and a bespoke medal.

Take on the Epping Forest 50 KM 2026, a scenic 50 km trail challenge through ancient woods on 3 October 2026. Enjoy varied terrain, fresh air and a memorable run just outside London.

Hit the trails at London EcoTrail 25 KM on 3 October 2026 in Epping's Bell Common. Enjoy a scenic 25 km route through woodlands and countryside, perfect for trail runners craving a nature filled challenge.

Run under the stars on the South Downs at The Dark Downs, a dusk to dark looped event at Plumpton Racecourse offering 50k and Half Marathon distances. Enjoy rolling trails, reflective course markings and volunteer aid stations.

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Take on a 50 km point to point ultramarathon from Moors Valley to Hengistbury Head, blending forest trails and coastal paths into a flat, scenic course. Perfect for seasoned road and trail runners seeking a stunning autumn challenge.

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Wild Run Cotswolds showcases rugged off road trails on a private estate with fully marked routes, chip timing and a family friendly supporter zone. Entries are limited to 600; choose 10K, half, marathon or the six hour 360 challenge.

Run along the scenic Thames Path at Thames Meander Autumn, offering 10 km, half marathon and marathon options on a flat, runnable riverside trail. Well supported with aid stations and medical cover, it is a great autumn outing for all paces..

Discover Wild Run Oxford on scenic trails just minutes from the city centre, with 10K and half marathon routes across smooth and rugged terrain. Licensed by the Trail Running Association and UK Athletics, it offers a genuine trail challenge..

Join the Marlow Donkey on 4 October 2026 from Liston Hall, choosing 25 km, 40 km or a special 50 km route through Hambleden and Bix. Limited to 150 places, the LDWA event offers friendly checkpoints and a simple finish meal.

Guided 30 mile trail run through the Surrey Hills from St Martha's Hill, taking in Denbies Wine Estate and the top of Box Hill. Led by an experienced ultra coach, this friendly group run promises an epic day on the North Downs Way for seaso..

Tackle the scenic Kent Downs in this Ultra Challenge with looped 10, 25 or 50 km routes from a Maidstone basecamp offering camping, food and on course support. Finishers earn a medal, t shirt and a festival style finish.

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RunThrough Trails Beat Box Hill offers scenic, hilly trail routes of 21k, 31k and 50k across chalk climbs and woodland with stunning views. Enjoy chip timing, kilometre markers, an event village, themed medal and free photos.

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Choose a scenic 10k or shorter 5k through the Chiltern Hills around Frieth, combining woodland paths and country roads. Expect rolling climbs and panoramic views for a rewarding, hilly challenge for road and trail runners.

Enjoy a scenic 10k through the woodlands of Limpsfield Common and High Chart in Oxted Surrey, with rolling climbs and a downhill finish. Single lap route suits trail runners seeking a challenging rewarding outing.

Run a fully marked and marshalled 10k or half marathon around the scenic Grafham Water reservoir, with medals and prizes for top finishers. Bring trail shoes, a charged phone and your own cup as the race is cupless.

Run the dramatic Jurassic Coast around the Isle of Purbeck with cliff top ridges, steep climbs and technical trails. Choose from 6, 12 or 24 km routes, with the Half Marathon passing Old Harry's Rocks for unforgettable coastal views.

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