Trail Running calendar near Nantgarw 2025-2026

We have found 235 Trailruns within 80 miles of Nantgarw. See below where and when you can find the races.

The Wild Run in the Cotswolds is a trail running event set in the scenic, secluded forests of Wychwood at Cornbury Park in Oxfordshire. Participants can choose from various race distances, including 10K, Half Marathon, Marathon, and a 6-hour challenge called the 360. The course features fully marked..

Race on the Chase is a popular trail running event held at Salisbury Racecourse, just 3 miles from Salisbury city centre. Celebrating its seventh anniversary in 2025, the race offers marathon, half marathon, and 10k distances, all featuring undulating downland terrain along ancient droves, grassy fi..

October 2025

The Exmoor Coast 55 is a challenging ultra marathon event that takes participants on a scenic journey along the South West Coast Path, starting from Combe Martin and finishing in Minehead. Covering a distance of 55 kilometers, this race showcases the stunning landscapes of Exmoor National Park, incl..

The North Coast 110 is an ultra marathon event taking place from October 3 to 4, 2025, featuring four challenging distances: 110 miles, 110 km, 65 km, and 55 km. Participants will navigate the stunning North Coast of the South West peninsula, with the 110-mile route boasting nearly 6,000 meters of e..

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The Gower Ultra 50, Ultra Bach & Trail Race are three long-distance trail running events held in the Gower Area of Outstanding Natural Beauty (AONB) in Wales. Following the Wales Coast Path, the races showcase stunning beaches, bays, coves, farmland, and fishing villages. The Ultra 50 covers a full..

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The Sibelco Templer Ten is a challenging 10-mile multi-terrain race held at Stover School in Newton Abbot. The course is predominantly off-road, passing through scenic locations such as Stover Country Park and fields at Teigngrace. The event features a race limit of 325 participants, with awards for..

The Quantock Hills Half Marathon, organized by Prosper Events, is a challenging and scenic trail race held in the Quantock Hills near Kilve Court, Somerset. The course features a mix of tough climbs, rolling hills, technical trails through forests, quiet country lanes, and open moorland, offering br..

The Loop Ultra is a 50km (32 miles) trail running event held at Camp Plas, Plas Dolanog near Welshpool in the Cambrian Mountains of Mid Wales. This challenging ultra takes runners through remote, scenic trails, forest tracks, and ancient paths, including stunning views around Lake Vrynwy and the Gly..

The Barrows and Downs event features a Marathon and Half Marathon set in the historic Salisbury Plain of Wiltshire, where participants run among ancient barrows dating back to 3500 BC. The scenic routes offer breathtaking views of the Wiltshire Downs and are designed for trail running enthusiasts. B..

The Keynsham Dandy is an off-road running race organized by Town and Country Harriers (TACH) in the Bristol area. The event covers approximately 12.5 miles, starting in Keynsham and featuring a scenic route that includes the revival of the Compton Dando path, complete with a stream crossing. The rac..

The Giddy Horse Backyard event is a unique running experience taking place at Chepstow Racecourse in Piercefield Park. Scheduled for October 25, 2025, it features various race formats including 8-hour, 12-hour, 24-hour, and relay options, all set on a scenic 4.167-mile loop that combines woodland, p..

The Worcester Ring Run is an exciting 23-mile running event taking place on October 25, 2025, starting from Droitwich Rugby Club. This scenic route features a clockwise loop along the Droitwich Canal and the Worcester & Birmingham Canal, offering a mostly traffic-free experience. Participants can en..

The Giddy Horse Half Marathon, Trail, & Steeplechase Obstacle Course Races is an exciting running event taking place on October 26, 2025, at Chepstow Racecourse in the UK. Participants can choose from various race options, including a half marathon, 8-mile and 4-mile trail races, and steeplechase ob..

The Black Beacon Mountain Trail Races are challenging long-distance running events held in the Bannau Brycheiniog (Brecon Beacons) National Park, South Wales. The races are linear, crossing from north to south, finishing in Pontneddfechen. Participants can choose from four distances: 21 miles, 50 ki..

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November 2025

The OTT Ultra Marathon is a 30-mile trail race set in the scenic Brecon Beacons, starting from Merthyr Tydfil. The course features technical trails, including a climb to Pen y Fan, the highest peak in South Wales, and passes through reservoirs and forest tracks, offering stunning views. The race inc..

The Apocalypse Run - Stonehouse will take place in Stonehouse on Sunday 2 November 2025.

The Dorset Hillfort Ultra is a scenic 38-mile running event set in the picturesque West Dorset, featuring a challenging course with approximately 1,300 meters of ascent. Participants will traverse from one ancient hillfort to another, enjoying stunning views of Lyme Bay and the Jurassic Coast. The r..

The Beacons Ultra is a thrilling running event featuring three race distances: a 49-mile ultra, a 26-mile marathon, and a 13-mile half marathon. Set in the picturesque town of Talybont-On-Usk, nestled in the Brecon Beacons, the event showcases a mix of trails, mountains, canals, and roads. Participa..

Endurancelife Gower offers a series of trail running events set in the stunning Gower Peninsula, the UK's first designated Area of Outstanding Natural Beauty. Participants can choose from 10K, half marathon, marathon, and ultra distances, all featuring challenging terrain including cliff tops, woodl..

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The Salt Settlers Six Hour Race is a timed endurance event held in the Lower Otter Valley near Budleigh Salterton. Participants aim to complete as many 4.4km loops as possible within six hours on a mostly flat course with a slight 12m ascent per loop. The race accommodates runners and walkers, offer..