Trail Running calendar near Semington 2025-2026

We have found 352 Trailruns within 80 miles of Semington. See below where and when you can find the races.

The The Maverick Exposure Lights Dark Oxfordshire will take place in Stonor on Saturday 29 November 2025. This trail is organized by Maverick Race. You can run between 7 and 17 kilometers.

Box Hill Vertical KM is a guided trail run held around Box Hill near Dorking, Surrey. The course covers about 12.5 miles with around 1000m of elevation, designed to rack up significant height in a compact distance. It traverses woodland, heathland and open fields, with hills that are technical enoug..

The The Maverick Original Oxfordshire will take place in Stonor on Saturday 29 November 2025. This trail is organized by Maverick Race. You can run between 7 and 22 kilometers.

Witterings Beach Run takes place at West Wittering Beach, near Chichester, UK. The event offers three distances: 5km, 10km, and 15km along a coastal route with extensive sandy flats revealed at low tide. Runners enjoy long views of Selsey Bill, the Isle of Wight, Chichester Harbour, the Solent, and..

The Riverside Marathon & Half Marathon, organized by Phoenix Running, takes place in Walton on Thames, Surrey, along the scenic River Thames towpath. This UK Athletics certified event features flat, fast, and accurately measured courses with no elevation gain, ideal for runners seeking personal best..

The Medal Mix Challenge Day 1, organized by Running Events Devon, takes place near Capel Lane, Littleham, Exmouth on November 29, 2025. This 7-hour timed event welcomes runners and walkers of all abilities to complete as many 5.3 km laps as possible on a scenic, undulating out-and-back course along..

The Medal Mix Challenge Day 2, organized by Running Events Devon, takes place near Capel Lane, Littleham, Exmouth on Sunday, 30th November 2025. This 7-hour timed event features an accurately measured 5.3 km out-and-back course on a scenic, undulating old disused train line, fully paved and classifi..

Winter Bumble Bimble is a social winter trail run in the Bromsgrove countryside, starting and finishing at the Park Gate Inn on Kidderminster Road. The winter event offers a 5-mile option (11 miles in summer) through Dodford countryside, a valley, and Nutnells Wood, with marshals, arrows-marked rout..

Surrey Hills Half Marathon is a guided trail half marathon starting and finishing in Guildford, Surrey. The 13-mile route threads through the Surrey Hills’ scenery, including St Martha’s Church and hill, the village of Shere, and Newlands Corner and Hackhurst Downs, with sections of the North Downs..

RTT Afan Forest 10k & 5K is organised by Aspire X Events and takes place at Bryn Bettws Lodge, Pontrhydyfen, Port Talbot SA12 9SP. The next scheduled race date is 30/11/2025. The event runs on trails in Afan Forest and offers two separate distances. The organiser hand-picks trails and provides..

December 2025

Endurancelife Dorset runs in Swanage along the Jurassic Coast Path, a World Heritage-listed coastline since 2001. The event offers four distances—10K (6 miles), half marathon (13.1 miles), marathon (27 miles), and ultra (37.2 miles)—with substantial climbs (774, 1,719, 4,692, 7,027 ft) on an extreme..

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Secret Santa Figgy Pud 14km, Turkey Ten Miles & Half Marathon Du Mulled Wine is a trail event from Cwmdu Village Hall near Crickhowell, Powys. Distances are 14km, 10 miles and a Half Marathon. The courses head west toward Bwlch Mountain and follow the Beacons Way, with the Half Marathon routing via..

Cowdray Winter Night Run is a 5km or 10km trail race on the Cowdray Estate in West Sussex. The routes traverse parkland and along the River Rother, with some private estate tracks; the course is mostly flat with a couple of gentle climbs. Runners start at the Cowdray Ruins and finish at the Walled G..

Limitless Trails’ Secret Santa Series heads to the Brecon Beacons, starting and finishing at Cwmdu Hall, Powys. Distances offered are 14 km, 10 miles, and 13.1 miles, beginning from Cwmdu along Beacons Way toward Bwlch Mountain, with the half marathon following Cockit Hill for lake views before turn..

The event is scheduled for 6 December 2025 at Old Fowler Barracks, Ludgershall Road, Ludgershall, SP11 9RR. It takes place on Salisbury Plain, which is described as the largest military training area in the UK and possibly Europe. The route follows well established footpaths and byways and includes..

The New Forest Xmas Trails is a festive trail running event hosted by BigFeat Events, set in the picturesque New Forest National Park. Participants can choose from four distances: 15K, 30K, Marathon, and 50K, all on challenging yet runnable off-road courses. The event begins at Holmesly Campsite, of..

Full MontyCute 10 trail race is a tough, mostly off-road 10.6-mile course in Ham Hill Country Park near Stoke-sub-Hamdon, Somerset. The route climbs 11 hills and threads through Montacute, St Michaels Tower, Ladies Walk, Witcombe Valley, and Parkland, finishing back at the Ham Hill Information Centr..

The Allsorts Tinkley Gate Santa Dash is a festive, family-friendly running event held at the scenic National Trust Tinkley Gate site in Woodchester, Gloucestershire. Participants can choose between a 5km off-road trail or a shorter 2.5km route, suitable for younger runners. The event welcomes runner..

Freedom Racing's Hurtwood 50k is a late‑season trail ultra set in the Surrey Hills of southern England. The course covers about 50 kilometres on a fully signed long‑distance trail route, with extra signage and regular checkpoints at 7, 13, 18 and 24 miles offering water and food. Featuring a fast, o..

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Winter Downs 200 is Centurion Running’s 200-mile continuous trail race. Held December 10–14, 2025, it forms a giant loop around the South of England, starting and finishing at Juniper Hall near Box Hill, Dorking. Runners cover about 321 km with roughly 22,500 ft of elevation in a single stage, with..

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