Trail Running calendar near Windsor 2025-2026

We have found 369 Trailruns within 80 miles of Windsor. See below where and when you can find the races.

Choose from 10K, half marathon, marathon or 50 km on scenic, well marked trails through Salcey Forest. A friendly community day with generous time limits, forest underfoot and a medal plus drink for every finisher.

Enjoy scenic Thames Valley trails at Marlow Rugby Club with 5K, 10K and Half Marathon options on well marked off road courses. Chip timing, free race photos and a themed finisher medal make this a fun, sustainable event for all abilities.

July 2026

Join a guided 10km trail run around the Devil's Punchbowl in Hindhead, enjoying rolling hills and a scenic pause with great views. This friendly group paced run is led by an experienced guide and runs at sunset or by headtorch in winter.

Event overview The SATURN Midweek Chasing Numbers event takes place on Friday, 3 July 2026 at Wraysbury Skiff & Punting Club, Egham (TW20 0AE). It is a 7 hour Time Challenge with flexible start times available throughout the day. The ev..

Take on the Full Essex Way Ultra, an 82 mile journey from Epping tube station to Harwich lighthouse across varied trails, tracks and roads. With just 65 places and a 24 hour cut off, this iconic challenge supports Essex Wildlife Trust.

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Follow the Serpent Trail from Petersfield through the South Downs, heath and woodland with distances from 10 km to 100 km. Camping, coach transfer, a kids race, food and a licensed bar make it a weekend festival for runners and walkers.

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Join the Bishop's Stortford Mitre on 5 July 2026 for community 10k, 5k and a fun 1K kids race on traffic free country lanes at Jobbers Wood. Support the Mitre Fund and enjoy chip timing, a finisher T shirt or a tree planted in your name.

On 5 July 2026 the Chiltern Ridge Half Marathon offers a scenic off road challenge along The Ridgeway near Wendover, with rolling climbs and woodland views. Entries are limited to 350 runners so book early for this memorable trail experienc..

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Fen Gallop 2026 is a scenic running event held in Willingham, Cambridgeshire, featuring flat, multi-terrain courses along country roads, footpaths, and bridleways. Participants can choose between a 10K race or a shorter 4-mile option, both..

Explore Thursley Common on a guided 10km trail run, a notably flat route with a scenic boardwalk and plenty of birdlife and dragonflies. Enjoy a friendly group atmosphere with kit to try and optional post run refreshment.

Take on a scenic 10K through woodland, meadows and rolling trails at Coombe Abbey Park near Coventry on 10 July 2026. Racecheck Gold rated with rave reviews, this undulating trail run offers on course drinks and eco friendly finish options.

The Spitfire Scramble is a unique 24-hour multi-terrain relay or solo race held at Albyns Farm, London Borough of Havering. Participants can run solo or in teams of two to eight, tackling a 5.75-mile lap repeatedly through day and night. Th..

Race to the Stones runs along The Ridgeway, Britain’s oldest footpath, ending at Avebury Standing Stones. In 2026 it offers 50 km and 100 km distances, either non-stop or split over two days, with a ~25 hour cut-off, on 11–12 July. Runners..

Ultra:5K Kempston is held at Box End Park, Box End Rd, Kempston MK43 8RQ. The event, scheduled for Sunday 12 July, offers a simple but challenging format: participants run a 5K on the hour, every hour, for five hours. A three-race option is..

BigHeat CAMP FIRE is a festival style trail weekend at Mill Farm in the Surrey Hills, pairing single lap scenic trails with a fiery communal vibe. Choose from 2 km to a 50 km ultra, then unwind with camping, live music and yoga.

Run through scenic Wendover Woods with 5K and challenging 10K trail options plus a 1.5K accessible loop. Limited to 500 runners, with chip timing and a finisher medal for all.

Run the ATW St Albans Summer 10K on 19 July 2026 at Highfield Park for a chip timed 10 km along the Alban Way, with a free family fun run. Festival vibes with live music, kids activities, food stalls and a custom medal while supporting Alzh..

Enjoy scenic trails at Winwick Hall with 10k, 5k and a fun 2k kids run. Fully marshaled courses, medals, charity support and refreshments make it a great family day out.

Experience a scenic loop around Aske Hall estate near Richmond on 23 July 2026, with 5 km and 10 km trail options. Limited to 200 entries, the mostly flat single loop winds through pasture and woodland for a relaxed but rewarding race day.

Zig Zag Running hosts the Great Barrow Challenge at the Suffolk Running Centre, Church Road, Bury St Edmunds, IP29 5AX. This 10-day, individual event offers multiple distances — 5k, 10k, half, full and ultra — with Day 1 featuring the Denha..