Trail Running calendar near Seaford 2026-2027

We have found 333 Trailruns within 80 miles of Seaford. See below where and when you can find the races.

Scenic half marathon through historic Richmond Park on Sunday 13 September 2026, starting and finishing at Sheen Gate. Tackle rolling trails past White Lodge and along the Tamsin Trail in this beautiful 13.1 mile challenge.

Tackle the Wroxall Round on 13 September 2026, a scenic 21.1 km fell run around Ventnor with about 487 m of ascent. Open to adults, with on the day entries and team places, this is race 3 of the Isle of Wight Fell Running Series.

Chiltern Wonderland 50 is a scenic 50 mile single loop ultramarathon through the Chiltern Hills, mostly on trails with stunning ridgeway and village views. Expect a tough, rewarding day with lots of climbing and a 13 hour cutoff.

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Explore Kent's countryside on the Triple Trail Races, with 25 km, 50 km and 100 km options that thread the North Downs Way, Greensand Way and Weald Way past woodlands, orchards and Leeds Castle. Finish at Loddington Farm race village with f..

Run the Bradenham Blast on 20 September 2026 at Manor Farm, High Wycombe, with 5 km, 10 km and half marathon routes through beech woodland and rolling trails. Enjoy a hilly, scenic challenge with an eco finisher medal and a tree planted for..

Run looped, technical trails through the New Forest from Avon Tyrrell, with a Grade I listed manor as a backdrop. Pick your distance on the day from 5K to ultra and earn a medal for completing one loop or more.

A looped trail event from Henley Showground on Sat 26 Sept 2026 with supported 50 km, 25 km and 10 km routes through Chilterns countryside. Basecamp offers camping, catering, covered rest stops, medical support and a finisher's medal and t-..

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Tackle a scenic 10 mile trail across gravel tracks, woodland and open views, finishing along an 800 year old Yew tree lined avenue. A new 1 km kids run makes this a perfect family day at Chilton Manor Farm.

Run the scenic 10 Mile Eridge Park Trail Challenge through woods, meadows and muddy streams on 27 September 2026 in Tunbridge Wells. Tackle technical climbs, enjoy marshals along the route and celebrate with cake and a pint at the finish.

October 2026

Tackle 100 mile across the rolling South Downs, starting and finishing at Plumpton Racecourse. With 12,000 ft of ascent, scenic views and a 34 hour cutoff, this autumn single loop ultra is a true test.

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Run to the Sea Bournemouth is a scenic 50 km point to point ultra from Moors Valley to Hengistbury Head on 3 October 2026. Expect flat forest trails and seafront running, four feed stations, tracking and a bespoke medal.

Take on the Epping Forest 50 KM 2026, a scenic 50 km trail challenge through ancient woods on 3 October 2026. Enjoy varied terrain, fresh air and a memorable run just outside London.

Hit the trails at London EcoTrail 25 KM on 3 October 2026 in Epping's Bell Common. Enjoy a scenic 25 km route through woodlands and countryside, perfect for trail runners craving a nature filled challenge.

Run the Dark Downs under the stars on 3 October 2026 at Plumpton Racecourse in Lewes. Choose a 50 km or half marathon loop across rolling South Downs trails with reflective signage and marshals for a magical night race.

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Run the Thames Meander Autumn on 4 October 2026 along flat, runnable out and back routes on the Thames Path. Choose 10 km, half or full marathon, with marshals, stocked aid stations and pro medical cover.

The Marlow Donkey on 4 October 2026 is a scenic LDWA challenge from Liston Hall offering 25 km, 40 km and 50 km routes around Hambleden and Bix. Staffed checkpoints, a simple finish meal, timed e certificates and a free badge await.

Join a guided 30 mile noncompetitive group run from St Martha's in Guildford along the North Downs Way through the Surrey Hills, passing Denbies and Box Hill. Led by an experienced coach, the run includes a cake stop and suits runners used..

Take on the Kent Downs Ultra with 50 km, 25 km or 10 km looped routes through scenic North Downs past Leeds Castle. Staffed aid stations, a picnic at halfway and on site camping make this a perfect weekend challenge.

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Tackle chalk climbs, ridgelines and singletrack at Beat Box Hill, with distances from 21k to 50k and charity places. Marked routes, marshals, chip timing and a finish village with food and a themed medal await.

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Choose a scenic 10k or shorter 5k through the Chiltern Hills around Frieth, combining woodland paths and country roads. Expect rolling climbs and panoramic views for a rewarding, hilly challenge for road and trail runners.