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 Isle of Wight Ultra Challenge is a premier endurance event taking place on May 3-4, 2025, featuring various distances including 106 km, 50 km, 25 km, and a 10-mile option. Participants can walk, jog, or run along the stunning coastal paths, including iconic landmarks like the Needles and histori..

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The Centurion Thames Path 100 is a prestigious 100-mile trail race that takes place along the scenic Thames Path, stretching from Richmond in South West London to Oxford. This event, held annually, features a flat and fast course with a total elevation gain of 1900 feet. Participants must complete t..

The Three Forts Challenge is a renowned running event held annually in Worthing, featuring three race options: a full marathon, a half marathon, and a 5-mile trail run. The marathon, slightly longer than the traditional distance, takes participants through challenging terrain with steep climbs and s..

The Harewood Forest Trail Race is an annual running event held in the picturesque Harewood Forest, located in the Test Valley, Hampshire. Participants can choose between 5k and 10k trail races, which feature undulating routes through scenic landscapes, including fields and bluebell woods. The event..

The BigWayRound - Winchester Trails Festival is an award-winning trail running event set in the picturesque surroundings of Winchester. Participants can choose from four distances: 14 miles, 19 miles, a Marathon, and a 50K Ultramarathon. The event features a fully marked and marshalled course, with..

The Silent Pool 10km is a guided trail running event set in the picturesque surroundings of Silent Pool, near Guildford. This evening run is designed for both novice and experienced runners, offering a unique experience of running at dusk or night. Participants will traverse scenic trails, including..

The Galleywood Gallop is a self-navigation trail race organized by Essex Trail Events, taking place on May 7, 2025. The course spans approximately 5 miles and features no river crossings, with participants relying on a written route description provided on the day of the event. This race is not mark..

Run to the Sea Brighton is a scenic 50km ultramarathon that offers a unique multi-terrain experience from Horsham to the Brighton seafront. This well-organized event caters to both novice and experienced runners, providing a friendly atmosphere and stunning views throughout the course. Participants..

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London 100 is an ultramarathon event organized by Camino Ultra, designed to challenge runners and enhance their endurance skills. Participants will have the opportunity to explore new trails while pushing their limits in a supportive community atmosphere. The event emphasizes personal growth and per..

The Brighton Backyard Ultra is an endurance running event held in Stanmer Park, Brighton, East Sussex. Participants must complete a 4-mile lap every hour until only one runner remains. This unique format encourages runners to push their limits, with no minimum distance required, making it accessible..

The Bewl Water Spring event is a scenic bi-annual running series held at Bewl Water Country Park in Lamberhurst, Kent. Participants can choose from four race distances: 10km, half marathon, marathon, and ultra marathon, all set against the backdrop of picturesque views around the largest lake in Sou..

The Taxus Baccata Trahentium is a self-navigation trail race organized by Essex Trail Events, taking place on May 11, 2025. Participants will navigate a scenic route of approximately 7 miles using a written description provided on the day of the event, as there are no course markings or marshals. Th..

The LDWA South Downs Marathon is a challenging event set in the picturesque South Downs National Park, featuring two distances: 28 miles and 18 miles. Participants will experience over 4000 feet of ascent on the longer route, traversing stunning landscapes including the Seven Sisters and Cuckmere Ha..

The Woodland Woggle 10k is a scenic trail race set in the picturesque surroundings of Hampton Estate and Puttenham Common. This one-lap course features undulating hills, stunning views, and beautiful bluebell woods, making it a favorite among trail runners. Participants aged 16 and over can enjoy ch..

The Midhurst Milers Cocking 10k Trail Race will take place in Cocking on Sunday 11 May 2025. You can run 10 kilometers.

The Gaddesden Gallop is an exciting cross-country running event taking place in the picturesque Hertfordshire countryside. Scheduled for May 11, 2025, participants can choose between a 10K or 5K run, with categories for both adults and under-18s. The event also features mini races for children under..

The Hankley Common 10km is a guided trail run set in the scenic Hankley Common, known for its rich wildlife and historical significance. This event is designed for both novice and experienced runners, offering a unique opportunity to explore the trails during sunset or at night with head torches. Pa..

The Hankley Common 10km is a guided trail run set in the picturesque Hankley Common, known for its rich wildlife and historical significance, including the Atlantic Wall replica used during WWII. This event is designed for both novice and experienced runners, providing a safe and enjoyable environme..

The Dinton 5km & 10km Summer Series, hosted by Barnes Fitness, is a popular running event taking place at Dinton Pastures Country Park. Celebrating its 13th year, the series features races on the third Thursday of May, June, July, and the second Thursday in August. Participants can choose between a..

The Centurion North Downs Way 50 is a challenging 50-mile point-to-point ultramarathon taking place along the scenic North Downs Way National Trail, from Farnham in Surrey to Knockholt Pound, Greater London. With a total elevation gain of 5,600 feet, the course features notable climbs, including Box..