Trail Running calendar near Sunbury-on-Thames 2026-2027

We have found 554 Trailruns within 80 miles of Sunbury-on-Thames. See below where and when you can find the races.

Roughly 12K trail run on bridle paths and the Imber Range near the Westbury White Horse on 18 October 2026. Limited to 200 places so book early for a bespoke finisher medal and category prizes.

Trail races at Bedgebury National Pinetum & Forest on 18 October 2026, offering a half marathon, 10k and junior race on traffic-free woodland trails. Route maps with GPX files are available; entries include a medal, photos and limited free..

Cross-country race in Hardwick, Buckinghamshire on 18 October 2026, run over about 6 miles of off road terrain with water crossings and varied surfaces. Entries are limited to 300 and participants must be at least 17 years old.

A 10K trail run through the private grounds of Hole Park in Cranbrook, Kent on 18 October 2026, featuring parkland and woodland sections, timed results, official photography and bespoke finisher medals.

A multi-distance running festival in Palace Green, Ely offering way-marked out-and-back courses from 10k to an ultra with aid stations, timed results and a custom event medal. The ultra includes checkpoints and on-course support.

A 5k night trail at Dunkertons Park in Cheltenham where runners use head torches to light the course. Open to ages 16 and over, with prizes for top three men and women and on-site refreshments and safety rules.

Beachy Head Marathon Weekend runs multiple trail distances from a 10k to an ultra near Bede's Prep School in BN20 7XL on 24/10/2026. Runners comment on clear signage, friendly marshals, stocked aid stations and hilly coastal terrain.

A point to point 47 miles ultra along the Thames Path and Ridgeway from Iffley to Henley-on-Thames, mostly on trails, with five aid stations, mandatory kit checks, baggage transfer and live GPS tracking.

Scenic 30 mile ultra along the River Stort and Lee navigation, run as a 15 mile out and back on mostly grassy trail and graded footpaths. Trophies for the first three men and the first three women and medals for all finishers.

Wight Lines is a mixed-terrain coastal run at Milford on Sea with views of the Isle of Wight and Sturt Pond Nature Reserve. Runners choose distances from 5K to ultra, complete 5.3 km laps, and receive a medal for one lap or more.

Experience a timed anti clockwise loop around Canvey Island featuring sea wall paths and coastal trails. This self supported adventure includes a unique pub check point and follows the scenic King Charles III England Coast Path.

ATW Grafham 5K and 10K take place at Grafham Water Visitors Centre on 25 October 2026. Entry fees range from £24 to £33, the races run alongside the ATW Grafham Duathlon, and camping is available the night before.

An off-road event south of Canterbury offering marathon and half marathon routes across scenic trails and country lanes. Checkpoints, mandatory kit requirements, OpenTracking and Event HQ facilities are provided.

Looped 7K and 10K courses near Chalfont St Peter and Gerrards Cross let entrants choose distances from 7K to 40 mile ultra on the day, with aid station, drop bag access, pacers, crew support and medical cover.

A Halloween-themed night run in Irchester Country Park with a 5k race and a 2k family run. Entry includes a finisher medal, free event photos and a bag of Halloween sweets.

A five mile night trail run at The Plough and Harrow in Litlington on 30 October 2026, self navigated via GPX with a tail runner, timed results, Halloween fancy dress prizes and an age limit of 18 plus.

Single-loop 50K trail race in the Chilterns starting and finishing at Berkhamsted Cricket Club on 31 October 2026. The route uses The Ridgeway and Chiltern Way, has three aid stations, full marking and a nine hour time limit.

Experience a festive 6.66 km Halloween trail run starting and finishing at a local brewery in Chelmsford. Participants enjoy a costume focused event with medals and drinks for finishers in a social atmosphere.

A night trail event in Alice Holt Forest on 31 October 2026 using 5 km laps; choose one, two or three laps. Forest tracks, one outpost per lap, reusable cup policy and headphones are not permitted.

An evening Halloween run at Hogmoor with kids races, 6.6K and 10K laps plus a 6.6K canicross. The course has sandy hills, mud and shallow water and races run after dark so a torch is advised.

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