Trail Running calendar near Southampton 2025-2026

We have found 296 Trailruns within 80 miles of Southampton. See below where and when you can find the races.

The Hurtwood 50K, organized by Freedom Racing, is a renowned trail ultra event set in the picturesque Surrey Hills. This long-distance race features a fully marked route with additional signage, ensuring participants can navigate easily. The event includes regular checkpoints offering food and drink..

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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..

The Winter Downs 200 is a challenging 200-mile continuous trail running event held in South East England, starting and finishing at Juniper Hall, Dorking. Scheduled for December 10-14, 2025, runners navigate a giant loop incorporating five major trails: North Downs Way, Vanguard Way, South Downs Way..

The Mince Pi Run - Races of 2 Decimal Places is a unique running event held at Shalford Park, Guildford, featuring distances from 3.14 to 31.4 miles, corresponding to 1 to 10 laps of a scenic, mostly flat off-road course with a few hills. There is also a Pi marathon option and a 1-mile fun run shape..

The Slow and Dirty is a festive-themed 19-kilometer trail race held in Sturminster Newton, Dorset, following a flat, hard-surfaced route along a former railway line known as the Somerset and Dorset (S & D). The course offers scenic views along the River Stour valley, passing historic sites like the..

The Festive Friston Forest Night Trail Run is a unique 5-mile running event set in the scenic Friston Forest, taking place on December 22, 2025. Participants will navigate the course using Strava GPX on their devices, with a tail runner to ensure safety. The event encourages festive spirit, featurin..

The Winter Woolly 10km is a popular trail running event held annually on December 24th at Elstree School in Upper Woolhampton, Berkshire. Now in its sixth year, the race features a scenic multi-terrain course covering 10 kilometers with 80% off-road paths, including lanes, footpaths, trails, woodlan..

The Plain Crazy Winter 12.5 Mile run is a challenging event set in scenic and potentially snowy conditions, taking place on December 28, 2025. Participants can expect a hilly course that tests their endurance, with a 3.5-hour cut-off time. The event supports The Royal British Legion Poppy Appeal and..

January 2026

The Knacker Cracker is renowned as "Britain's toughest 10k," featuring a challenging course that includes significant elevation changes, with a total ascent of 473 meters. The race, set in the scenic surroundings of Box Hill and Denbies Vineyard, offers a unique experience for runners, including a k..

Dark Skies Surrey Hills is an exhilarating night trail running event set in the picturesque Surrey Hills, featuring races of 10 miles, 10K, 5K, as well as Canix and children's races for ages 3-11. Participants navigate through enchanting woodlands under the stars, illuminated by headlamps, making fo..

The Fitstuff G3 Series No.1 is a trail running event held at Newlands Corner, Drove Road, Guildford, Surrey. Participants can choose between 10km and 15km distances, with options to enter multiple races as part of bundled packages. The event features a scenic trail course starting from Newlands Corn..

The Country to Capital Ultra Marathon is a renowned 43-mile race starting in Wendover, Buckinghamshire, and finishing near Little Venice Canal Basin in London. As the official opener of the ultra running season, it attracts elite and amateur runners globally. The course features a mix of 11 miles of..

The Ashdown Forest 10 & 5 Mile Series is an eco-friendly trail running event held at Pippingford Park Manor in East Sussex. This two-race series offers runners the choice of 10-mile or 5-mile distances across undulating, multi-terrain courses set within the scenic Ashdown Forest. The event emphasize..

The Stonehenge Stomp is a popular walking and running event organized by the City of Salisbury Athletics & Running Club, held near the iconic Stonehenge site. Participants can choose from fully marked trail distances of 5 km (family-friendly), 10 km, 20 km, 30 km, or 40 km, all offering scenic views..

The Moors Valley Wildwood Trail Series Half Marathon & 10K is a trail running event held at Moors Valley Country Park & Forest in Dorset. Scheduled for January 25, 2026, it offers two distances: a half marathon consisting of two laps and a 10K single lap route. The course features scenic woodland tr..

The Fitstuff G3 Series No.2 is a running event held at Hound House Road, Surrey (GU5 9JG). Participants can choose between 10km and 15km race distances. The start line and parking are conveniently located in a field off Hound House Road, marked with flags and signs for easy navigation.The event offe..

February 2026

The Westonbirt Arboretum Winter Night Race is an exciting running event set in the stunning National Arboretum, featuring over 2,500 tree species. Participants can choose between 5km and 10km routes, which showcase the arboretum's diverse landscapes and solid terrain, providing a unique blend of tra..

The Pilgrim Challenge is a renowned ultra marathon held along the historic North Downs Way in the UK, offering participants the choice to run or walk either 33 miles in one day or 66 miles over two days. The course features stunning landscapes, picturesque villages, and areas of outstanding natural..

The Hibernal Hills 50 Miles is a winter ultra running event held at Queen Elizabeth Country Park in Horndean, Hampshire. This single-loop race covers 50 miles with approximately 6,400 feet of elevation gain, featuring runnable but undulating terrain with some long, challenging hills. The course trav..

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The Portland Coastal Marathon is an exciting running event set to take place at the Weymouth and Portland National Sailing Academy. Scheduled for February 9, 2025, it features a full marathon, half marathon, and a 10k, catering to runners of all abilities. Participants will navigate the scenic South..