Trail Running calendar near Seaford 2025-2026

We have found 265 Trailruns within 80 miles of Seaford. 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 Winter Downs 200 is a challenging 200-mile continuous trail run scheduled for December 10-14, 2025. This event features a scenic loop through the South of England, incorporating the North Downs Way, Vanguard Way, South Downs Way, Wayfarers Walk, and St Swithuns Way. Participants have up to 96 ho..

The Mince Pi Run - Races of 2 Decimal Places is a unique running event scheduled for December 14, 2025, at Shalford Park, Guildford. Participants can choose to run distances ranging from 3.14 to 31.4 miles, with options for a Pi marathon and a 1-mile fun run for younger children. The course is mostl..

The Christmas Pudding Dash is a festive multi-terrain running event held in Pett, near Hastings, celebrating its 20th year. Participants can choose from a 5-mile race, a 2-mile fun run, and a children's scurry, making it a family-friendly occasion. The course features undulating, muddy trails throug..

The Elves 11ish Trail is a unique narrative trail race taking place on December 21, 2025, starting and finishing at the Blackwater Leisure Centre. Participants will navigate a circular route of 11 miles, primarily off-road, using written instructions instead of traditional markers. A well-stocked ch..

The Winter Wanderlust 50km is an exhilarating ultra-trail race set against the stunning winter landscape of Kent. Participants will embark on a scenic journey from Detling to Wye, traversing the North Downs Way, with a mix of challenging climbs and breathtaking views. The event features well-stocked..

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 on December 24th at the picturesque Elstree School in Upper Woolhampton, Berkshire. This multi-terrain race offers participants a scenic experience through the beautiful countryside, featuring lanes, footpaths, trails, and woodlands, with..

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..

The East Hanningfield Trail Marathon is a unique narrative trail race set in the picturesque village of Danbury. Participants navigate a circular route that is predominantly off-road, covering diverse terrains without marshals or arrows, relying instead on written instructions. The event features th..

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 Kent Backyard Ultra Series - Dover is an exciting endurance running event taking place at Farthingloe Barn in Dover. Scheduled for January 10, 2026, this event invites participants to set new goals for the year ahead. Runners will tackle a unique challenge featuring both a Day Route and a Night..

The Country to Capital Ultra Marathon is a renowned 43-mile race that marks the beginning of the ultra running season. Set in the picturesque Buckinghamshire countryside, the course takes participants through diverse terrains, including trails and canal towpaths, culminating near the Little Venice c..

The Ashdown Forest 10 & 5 Mile Series is an eco-friendly running event held at Pippingford Park, featuring two races designed to provide an exhilarating experience in a sustainable environment. The series includes a 10-mile and a 5-mile race, both set against the stunning backdrop of Ashdown Forest...

February 2026

The Hibernal Hills 50 Miles is a challenging ultra-distance running event that takes place at Queen Elizabeth Country Park in Hampshire. This season-opening race features a single loop course that is both runnable and undulating, with approximately 6,400 feet of elevation gain. Participants will tra..

The Pilgrim Challenge is a renowned ultra marathon event held along the scenic North Downs Way in the UK. Participants can choose to run or walk either 66 miles over two days or 33 miles in a single day. The event is designed for both seasoned runners and newcomers, offering a supportive atmosphere..

XTERRA Matterley is an exciting off-road racing event scheduled for February 14-15, 2026, at the picturesque Matterley Basin in the United Kingdom. This event offers a variety of race formats, including duathlons and trail runs, catering to athletes of all skill levels. Participants can choose from..

The 'Rayne'ing Medals Anniversary Challenge is a running event celebrating six years of Hare & Tortoise Running, taking place on The Flitch Way in Rayne. Participants can choose from five entry options, including a marathon, 6-hour timed event, 5km, 10km, and half marathon. The course features 5km l..

The St Peter's Way Ultra is a challenging 42-mile running event that traverses the historic countryside of Essex, from Chipping Ongar to the ancient chapel of St Peter-on-the-Wall at Bradwell on Sea. This route, part of an ancient pilgrimage trail dating back to the 7th century, offers scenic views..

BigMud Trails (EARTH) is the first event in the Classic Element Trail Series, celebrating the element of Earth. Set in the scenic Meon Valley at Queen Elizabeth Country Park, participants can choose between a 16-mile or marathon distance, both featuring challenging single-lap courses with significan..