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.

Join the Rapid Relays at Culden Faw Estate for solo or team relays, 5K and 10K sunrise runs, plus downhill time trial challenges. Chip timed with live splits, scenic woodland trails and free parking make it perfect for teams and supporters.

Take on scenic trail routes across the South Downs with rolling hills and coastal views at the Three Forts Challenge in Lancing. Choose marathon, half marathon or 5 mile and support local charities while enjoying a welcoming community atmos..

Join a guided Box Hill trail run with about 1000 m of ascent over 12.5 miles, featuring steep technical climbs and short scrambles. Led by a qualified mountain leader, the steady paced group suits experienced trail runners.

BigWayRound Winchester is a scenic trail run around the Itchen, St Catherine's Hill and the South Downs, offering 14 mile to 50K distances. Timed chip results, fully marked course and a bespoke medal or choose a tree planting instead.

Join Muddy Runners for the Harewood Forest Trail Race, a spring 5k and 10k through undulating woodland trails near Andover. Scheduled for 4 May 2026, this scenic, muddy course is perfect for adventurous runners; registration opens soon.

Take on the Freddo Mercury Rhapsody Run along a flat riverside towpath at Xcel SPORTS HUB, logging as many 5.3 km laps as you can within a relaxed 7 hour limit. Rock up in a 1.5 hour start window or request a time, with aid stations and opt..

Take on the Chiltern Hills 100K, a scenic trail ultra across iconic Chiltern ridges and estates on 9 May 2026. Limited field and UTMB Index status mean a competitive, well supported race with challenging climbs, full marking and live tracki..

UTMB Index

Run to the Sea Brighton is a scenic 50 km point to point ultramarathon from Christ’s Hospital in Horsham to Hove Lawns, taking in trails, rolling downs and a coastal promenade finish. Enjoy strong support, live tracking and a memorable seas..

UTMB Index

Discover Goring Gap Trails near Reading in early May 2026, offering scenic trail challenges from a 6 mile walk with a river boat crossing to 52K and 50 mile ultras. Multi day camping adds a relaxed festival vibe for runners and walkers alik..

UTMB Index

A lapped riverside race from Wraysbury Skiff & Punting Club along the Thames Path near Runnymede. Offers 10 km, half marathon and marathon distances with marked turnarounds, marshals, a bespoke finisher medal and prizes for top three men an..

Run the Oliver Fisher 10k or 5k at Milton Creek Country Park on 10 May 2026 and help fund the Special Care Baby Trust supporting Medway neonatal unit. Enjoy scenic off road trails and a friendly community atmosphere.

Run through the rolling vineyards of Rathfinny Wine Estate on 10 May 2026 with 10.7 km and 21.4 km half marathon options. Enjoy off road trails, recycled slate medals and a carbon neutral event that supports the WOLO Foundation.

Enjoy scenic trail races across the South Downs around Cocking, with 20k and 10k senior options plus junior 3k and 5k races. Chip timing, medals and a lively race village make this a friendly, well marshalled day out for runners of all ages..

Run the Chilterns 30, a scenic 30 km trail around Tring with rolling hills and about 500 m of ascent through woods and ridgelines. Limited to 50 places, the well supported event includes guides, checkpoints and a finisher medal.

Join Black to the Trails at Dunstable Downs and Whipsnade for a welcoming day of trail running with 1K, 5K, 10K and Scotch Bonnet 10K options. Celebrate diversity with music, food, family fun and finishers medals on scenic chalk downland.

Enjoy a scenic one lap 10k through bluebell woods, undulating hills and open common in Surrey at Hampton Estate and Puttenham Common. Chip timed with bespoke 2026 medals, a friendly finish village and superb views.

The Dinton 5km & 10km Summer Series will take place in Hurst on Thursday 14 May 2026. You can run between 5 and 10 kilometers.

Run 50 miles along the scenic North Downs Way from Farnham to Knockholt Pound on 16 May 2026. Expect rolling chalk trails, big views, well stocked aid stations and a 13 hour cut off for a classic spring ultra.

UTMB Index

Take on the Compton Downland Challenge on 16 May 2026, choosing the marathon or a scenic 16 mile route across the Berkshire Downs and Ridgeway. Expect rolling trails, countryside views, on course aid and a hand thrown mug at the finish.

Run through scenic vineyard hills at Denbies Wine Estate in Dorking on 16 May 2026 on a 5.3 km undulating off road loop. Choose as many laps as you like for distances from 5 km up to ultra with flexible start times and limited places.