Trail Running calendar near Seaford 2025-2026

We have found 325 Trailruns within 80 miles of Seaford. See below where and when you can find the races.

Run 13.1 miles through the beautiful woodland and lakes of Richmond Park in this scenic half marathon. Enjoy varied trails, park views and a friendly atmosphere as you tackle rolling terrain and finish back at Sheen Gate.

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.

Run a single loop 50 mile through the scenic Chiltern Hills with about 1700 m of climb and riverside views. Fully marked route with staffed aid stations and medical cover makes this a rewarding, serious ultramarathon.

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Run the Triple Trail linking three scenic Kent routes with 25 km, 50 km or 100 km options, finishing at Loddington Farm. Enjoy a lively race village with food, camping, recovery services and evening entertainment.

Event overview The Bradenham Blast takes place on Sunday 20th September 2026 and offers three trail distances: 5km 10km Half Marathon (21.1km) Routes run through beech woodland and across the Bradenham Estate in the Chiltern Hills, which..

Looped trail running at Avon Tyrrell in the New Forest, circling a Grade I listed manor on technical forest trails that blend scenery and challenge. Pick your distance on the day from 5K to ultramarathon and earn a finisher medal.

Experience the Chiltern 50 from Henley Showground with looped 10 km, 25 km and 50 km trails, scenic climbs and on site camping. Fully supported with aid stations, GPS tracking and a finisher meal with medal and t shirt for all abilities.

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October 2026

The South Downs 100 mile (Autumn Event) is a challenging single-loop trail race held in the scenic South Downs National Park, starting at Plumpton Racecourse in Lewes, East Sussex. Covering 100 miles with over 12,000 feet of elevation, the..

Run to the Sea Bournemouth is a 50 km ultra on 3 October from Moors Valley to Hengistbury Head via flat forest trails and seafront paths. Fully supported with feed stations, medical cover and a bespoke medal.

Take on the scenic 50 km challenge through Epping Forest in London on 3 October 2026. Enjoy sweeping trails, leafy views and a rewarding long distance test for experienced runners.

Take on 25 km of scenic trails through Epping at the London EcoTrail, an eco focused run that blends challenge with beautiful countryside views. Perfect for trail lovers seeking a green, memorable race day.

Run under the stars on the South Downs at The Dark Downs, a dusk to dark looped event at Plumpton Racecourse offering 50k and Half Marathon distances. Enjoy rolling trails, reflective course markings and volunteer aid stations.

Enjoy a scenic riverside run on the Thames Meander Autumn on 4 October 2026, a flat and fast towpath course with 10 km, half marathon and marathon options. Well stocked checkpoints and marshals keep you fuelled and supported.

Explore the Surrey Hills on a 30 mile guided group trail run from St Martha's Hill, taking in Denbies, Box Hill and scenic villages. Run together with an experienced coach in a supported, non competitive pace with a cake stop and great view..

Run the Kent Downs Ultra Challenge from a lively Maidstone basecamp with camping, transfers and an on site bar. Choose looped 50 km, 25 km or 10 km routes through the North Downs, past Blue Bell Hill and Leeds Castle for a scenic trail week..

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RunThrough Trails Beat Box Hill offers scenic, hilly trail routes of 21k, 31k and 50k across chalk climbs and woodland with stunning views. Enjoy chip timing, kilometre markers, an event village, themed medal and free photos.

Tackle rolling climbs and sweeping Chiltern views at the Frieth Hilly 10 km and 5 km Run, set on mixed woodland paths and country roads. Expect a scenic but challenging route between Frieth and neighbouring villages.

The Autumn 100 is a 100 mile trail race around Goring and Streatley on the Thames Path and Ridgeway, with about 5,000 ft of climbing and a 28 hour cut off. Aid stations are frequent and pacers may join for the final 25 miles.

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Take on the Gatliff Marathon on 17 October 2026, a scenic 25 km or 50 km challenge through the Kent, Surrey and Sussex countryside. Based at Edenbridge Cricket Club, the event offers checkpoints, food, first aid and hot showers for finisher..

Beachy Head Marathon Weekend offers stunning coastal scenery and a variety of distances across two days, from 10k to ultra. Expect challenging hills, great support from marshals and aid stations, and a memorable autumn race near Eastbourne.