Trail Running calendar near Guildford 2025-2026

We have found 358 Trailruns within 80 miles of Guildford. See below where and when you can find the races.

Join The Pumpkin Run in Colchester on Sunday 27 September 2026 for 10K, 5K or a fun 1K family dash through scenic fields and a festive pumpkin corn trail. Expect chip timing, an event village, exclusive medals and plenty of family friendly..

Experience Cranborne Chase from Salisbury Racecourse on scenic undulating trails. Choose marathon, half marathon or 10k along ancient droves and woodland tracks, with parking, showers and a medal for every finisher.

October 2026

The South Downs 100 mile (Autumn Event) is a challenging single-loop trail race held in the scenic South Downs National Park, starting at Plumpton Racecourse in Lewes, East Sussex. Covering 100 miles with over 12,000 feet of elevation, the..

Run to the Sea Bournemouth on 3 October 2026 is a point to point 50 km ultra from Moors Valley to Hengistbury Head, pairing flat scenic forest trails with seafront running. Course is fully signed with feed stations, a finish medal and event..

Take on the scenic 50 km challenge through Epping Forest in London on 3 October 2026. Enjoy sweeping trails, leafy views and a rewarding long distance test for experienced runners.

Take on 25 km of scenic trails through Epping at the London EcoTrail, an eco focused run that blends challenge with beautiful countryside views. Perfect for trail lovers seeking a green, memorable race day.

Run beneath starry skies on the South Downs at The Dark Downs, a dusk to night trail event from Plumpton Racecourse near Lewes. Choose a 50k or half marathon on rolling, runnable trails with reflective signage and friendly aid stations.

Run to the Sea Bournemouth is a scenic 50 km point to point ultramarathon that threads forest trails and coastal paths to a seafront finish at Hengistbury Head. Enjoy a fully signed route, regular feed stations and a bespoke medal on 3 Oct..

UTMB Index

Wild Run Cotswolds at Cornbury Park near Charlbury offers scenic, rolling trail loops from 10K to marathon plus a 360 timed challenge. Family friendly with a supporter zone, marked routes and regular aid stations.

Join a guided 30 mile trail run from St Martha's Hill through the Surrey Hills, with views of Box Hill and Denbies Wine Estate. Run as a friendly group with an experienced ultra runner and coach to guide you every step of the way.

Explore the Kent Downs from Maidstone this October with 50 km, 25 km and 10 km loops for walkers and runners. Support, camping, food and a finisher's medal and t shirt make for a rewarding weekend.

Tackle rolling climbs and sweeping Chiltern views at the Frieth Hilly 10 km and 5 km Run, set on mixed woodland paths and country roads. Expect a scenic but challenging route between Frieth and neighbouring villages.

Discover the Maverick Jurassic Coast Trail, an epic off road running challenge along England's dramatic coastline. Choose from short to ultra distances and enjoy a well rated, scenic adventure for every level.

Tackle the Autumn 100 on 17 October 2026, a scenic but demanding 100 mile trail race from Goring & Streatley along the Thames Path and Ridgeway. Expect long hours on trail with full aid and medical support to back you every step.

UTMB Index

Beachy Head Marathon Weekend offers multiple distances including marathon, half marathon, ultra and 10k across a weekend of coastal trails. Choose your challenge and enjoy a memorable race day based at Bede's Prep School.

Take on the Thames Trail Ultra, a scenic 47 mile point to point along the Thames Path from Iffley to Henley on Thames. Mostly riverside trails and country paths, this supported ultramarathon pairs stunning views with a rewarding challenge.

Stort30 is a 30 mile ultramarathon along the River Stort towpath, flat and scenic, out and back from Bishop's Stortford. Toilets, showers and aid stations plus a finishers medal make it a friendly test for experienced runners.

November 2026

Run across the sands of West Wittering at the Witterings Beach Run this November, with 5 km, 10 km and 15 km options and canicross entries. Enjoy coastal views, chip timing and a finisher medal on a plastic free, dog friendly course.

Run Wendover Woods on challenging, hilly forest trails with marathon, half marathon, 10k and junior distances across mixed terrain. Enjoy onsite facilities like a cafe and plenty of parking plus bespoke medals and free race photos.

Run the rolling South Downs from Goodwood Racecourse this November, with 12km, 19km or 21km trail options. Tackle chalk tracks, forest trails and big views, enjoy on course support, chip timing and a finisher medal, and dogs are welcome.