Trail Running calendar near Sunbury-on-Thames 2025-2026

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

The ZigZag Catherine Wheel Canter is a unique running event held at Wodson Park Sports and Leisure Centre in Ware, Hertfordshire. Participants can choose from various distances including 5k, 10k, half marathon, full marathon, 50k ultra, or a 6-hour challenge, all run on a traffic-free 400-meter athl..

The Chiltern Ridge Winter 50K is an autumn/winter trail ultra marathon held in the Chilterns, starting and finishing at Berkhamsted Cricket Club. Covering 50 kilometers with over 800 meters of elevation, the race follows a specially designed looped course featuring woodland trails, scenic views, and..

The Wendover Woods Marathon, Half Marathon, and 10k is a scenic running event set in the picturesque Wendover Woods, Buckinghamshire. Participants can choose from multiple race distances, including a marathon, half marathon, 10k, and a junior run, all featuring a challenging multi-terrain course wit..

Tunnel Vision in Market Harborough is a unique 5-mile out-and-back running event featuring both a Night Run and a Dawn Run. The course includes a memorable passage through the 422-meter-long Oxendon Tunnel, an old railway tunnel that is pitch black but mood-lit for the race, requiring runners to use..

Enigma Fireworks is a running event taking place on November 7th and 8th, 2025, at Caldecotte Lake in Milton Keynes. The event features both a marathon and a half marathon on each day, with participants completing scenic laps around the lake. Runners can expect a supportive environment with race bri..

The Druid's Challenge is an 83-mile (136 km) ultra marathon held over three days in November, traversing the historic Ridgeway in the UK. Participants experience stunning ancient landscapes, rolling chalk downland, woodlands, and notable monuments such as Stone Age barrows and Iron Age forts. The ev..

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The South Downs Trail Run is a scenic off-road running event held in the South Downs National Park, starting from Goodwood Racecourse near Chichester, UK. Participants can choose from three distances: 21km, 19km, and 12km, catering to all abilities. The course features a mix of forest fire roads, br..

Big Night Out Winchester is an exciting night-time trail running event set in the scenic surroundings of Winchester, Hampshire. Participants can choose between a 22km or 12km course, both illuminated by headtorches as they navigate the trails and pathways. The event features a fully marked route wit..

Freedom Racing - 5 Trails Ultra is a unique trail running event held at Westerlands, Graffham, Petworth, in the South Downs. The main race is a stunning 50k ultra that links five long-distance trails: the Serpent Trail, New Lipchis Way, West Sussex Literary Trail, Monarchs Way, and South Downs Way,..

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The Dirt Half Challenge is a popular half marathon trail race held in Leighton Buzzard, Bedfordshire. The course features a scenic and challenging route, starting in the historic market town and including an anti-clockwise lap of Tiddenfoot Waterside Park. Runners then follow the picturesque Grand U..

The Remembrance Day Run - South is held in Surrey, at the Wraysbury Skiff and Punting Club by the Riverside in Egham. This 7-hour time challenge allows participants to run a minimum of 5km, with laps of 7km (4.37 miles) along a scenic course beside the River Thames. The route is well-marked and feat..

Remembrance Sunday 2025 is a unique running event scheduled for November 9, 2025, in Brightlingsea, Essex. Participants can engage in a traffic-free, looped trail course, with options to run a marathon or half marathon within a six-hour time limit. The event features an 11 am silence to honor milita..

The Canvey Island Trail Run will take place in Canvey Island on Sunday 9 November 2025.

The Southampton Half Marathon MoRun is a vibrant running event held at Southampton Common, featuring distances of 1.5k, 5k, 10k, and a half marathon. The course combines paths, trails, and grassy sections with an undulating terrain, suitable for dog walkers and buggy runners, though some parts may b..

The One by the Canal is a scenic half marathon trail run starting at Cowley Recreation Ground and following the Grand Union Canal's picturesque natural surroundings, finishing in Watford's Cassiobury Park. The course features country trails and woodland paths, marked and marshalled for safety, with..

The New Forest Central Trail Run is a scenic trail running event held in the heart of the New Forest National Park, an Area of Outstanding Natural Beauty in the UK. Starting from Roundhill Campsite near Brockenhurst, the course features wide, hard-packed gravel paths weaving through ancient woodland..

The Centurion Wendover Woods 50 is a challenging 50-mile ultramarathon held entirely within Wendover Woods in South East England. The race consists of five 10-mile loops on forest trails featuring a mix of wide, soft paths with runnable climbs and descents, alongside steeper, more demanding sections..

The Rugged Radnage 10K Run, held in the Chiltern Hills near Radnage village, offers a challenging mixed-terrain course featuring roads, trails, footpaths, woods, and fields with notable ascents and descents. The event includes both 5K and 10K distances, with the 5K covering half of the 10K route. It..

The Broadway Marathon is a challenging running event set in the picturesque northern Cotswolds, known for its hilly and muddy terrain. Licensed by the TRA and adhering to UK Athletics rules, the marathon is open to participants aged 18 and older. The event promises stunning scenery, making it a uniq..

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The Sundon Saunter is an annual walking and running event held near Barton-le-Clay, UK, featuring courses of 13, 18, and 27 miles. The route traverses mainly field paths, tracks, woods, and some roads through undulating countryside, offering scenic views from the hills. The event is organized by LDW..