Trail Running calendar near Seaford 2025-2026

We have found 274 Trailruns within 80 miles of Seaford. See below where and when you can find the races.

Take on a scenic 50 mile single loop through the Chiltern Hills, with riverside paths, rolling climbs and charming villages. Well stocked aid stations and a lively finish make this a rewarding and memorable ultramarathon experience.

UTMB Index

Run Triple Trail Races at Loddington Farm on 19 September 2026 and link the North Downs Way Greensand Way and Weald Way across 25 km to 100 km options. Expect a revamped 50 km, a buzzing race village and on site camping.

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..

Something To Talk About is a technical trail race at Avon Tyrrell in the New Forest with a Grade I manor house as a scenic backdrop. Run looped 3.28 mile laps and choose distances from 5K up to an ultra. Medals for anyone completing a loop.

Take on the Chiltern 50 Ultra Challenge from Henley Showground and enjoy looped trails through the rolling Chiltern countryside, with walk, jog or run options to suit every pace. Basecamp adds camping, a Saturday meal and shuttle service.

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 on 3 October 2026 is a point to point 50 km ultra from Moors Valley to Hengistbury Head, pairing flat scenic forest trails with seafront running. Course is fully signed with feed stations, a finish medal and event..

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 beneath starry skies on the South Downs at The Dark Downs, a dusk to night trail event from Plumpton Racecourse near Lewes. Choose a 50k or half marathon on rolling, runnable trails with reflective signage and friendly aid stations.

Join a guided 30 mile trail run from St Martha's Hill through the Surrey Hills, with views of Box Hill and Denbies Wine Estate. Run as a friendly group with an experienced ultra runner and coach to guide you every step of the way.

Explore the Kent Downs from Maidstone this October with 50 km, 25 km and 10 km loops for walkers and runners. Support, camping, food and a finisher's medal and t shirt make for a rewarding weekend.

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.

Tackle the Autumn 100 on 17 October 2026, a scenic but demanding 100 mile trail race from Goring & Streatley along the Thames Path and Ridgeway. Expect long hours on trail with full aid and medical support to back you every step.

UTMB Index

Beachy Head Marathon Weekend offers multiple distances including marathon, half marathon, ultra and 10k across a weekend of coastal trails. Choose your challenge and enjoy a memorable race day based at Bede's Prep School.

Stort30 is a 30 mile ultramarathon along the River Stort towpath, flat and scenic, out and back from Bishop's Stortford. Toilets, showers and aid stations plus a finishers medal make it a friendly test for experienced runners.

November 2026

Run across the sands of West Wittering at the Witterings Beach Run this November, with 5 km, 10 km and 15 km options and canicross entries. Enjoy coastal views, chip timing and a finisher medal on a plastic free, dog friendly course.

Run Wendover Woods on challenging, hilly forest trails with marathon, half marathon, 10k and junior distances across mixed terrain. Enjoy onsite facilities like a cafe and plenty of parking plus bespoke medals and free race photos.

Run the rolling South Downs from Goodwood Racecourse this November, with 12km, 19km or 21km trail options. Tackle chalk tracks, forest trails and big views, enjoy on course support, chip timing and a finisher medal, and dogs are welcome.

Join the Maverick Original Oxfordshire at Stonor Park for a scenic off road challenge near Henley on Thames. Choose from 7 km, 11 km or 22 km routes across rolling trails and ancient woodlands for a fun and wild day out.