Trail Running calendar near West Sussex 2025-2026

We have found 321 Trailruns within 80 miles of West Sussex. See below where and when you can find the races.

Join Saturn Too Midweek Medal Madness on 14 August 2026 for a seven hour timed challenge along the Thames with distances from 3 km to ultramarathon. Finish 3 km to earn a medal and goody bag with drink stops on course.

The Black Bull 15 is a charity trail run held near the Black Bull pub in Chelmsford. It offers two distances: a 15-mile trail route and a 15km option for shorter, faster runs, jogs or walks. The course uses varied trail surfaces through par..

Experience the Two Tunnels in Bath, a unique run through two lit, surfaced railway tunnels and rolling paths. Options span short Colourburst runs up to marathon and 50 km distances, with proceeds supporting Sustrans.

Run a scenic off road half marathon along riverbank and a disused railway with flint paths and stiles, starting and finishing at Henfield Leisure Centre. Enjoy race day treats and a finisher medal for all.

Run the Southampton Running Festival on 16 August 2026 at Southampton Common with 5K, 10K, half marathon and junior races. Scenic laps through woodland, ponds and parkland, plus an event village and a focus on sustainability.

Run through Alexandra Gardens with views of Windsor Castle at the Windsor Trail Run on 30 August 2026. Choose a 10K or half marathon, enjoy chip timing, free race photos and a lively event village.

Enjoy a scenic trail marathon and half at Woldingham School with rolling valley and North Downs views on a 13.1 mile loop. Perfect for runners who love woods, ridge paths and rewarding post race treats.

September 2026

Run along the River Thames at Temple Island Meadows with half marathon, 10K and junior races supporting Royal Berks Charity. Enjoy mixed undulating trails, finisher medals, chip timing, free photos and a lively event village.

Join a guided 30 mile trail along the scenic Jurassic Coast from Studland Bay to Old Harry Rocks. This non competitive ultra is led by an experienced coach and suits well trained runners ready for big climbs.

Take on the South Coast Ultra Challenge along the South Downs Way from Eastbourne to Arundel, passing Beachy Head, the Seven Sisters and Brighton on stunning coastal trails. Choose distances from 25 km up to a full 100 km continuous or spli..

Guided 10km evening trail run around Silent Pool, following the North Downs Way through Netley Heath to Shere. Sunset and headtorch night runs are social guided outings not races, ideal for fit trail runners.

Run scenic, undulating woodland and lakeside trails around Bewl Water in Lamberhurst, Kent, with distances from 10K to a 50K ultra. This biannual series, praised by Runners World, offers measured courses, route maps and finisher medals.

Run or walk the Thames Path Ultra Challenge from Putney to Henley, with distances from a 10 km riverside loop up to the full 100 km ultra. Choose a one day push or a relaxed two day option with midway camping and festival vibes in Henley.

Take on the Isle of Wight Fell Race Series in Ventnor on 12 and 13 September 2026, featuring three scenic but testing hill races across St Boniface, the Ventnor Horseshoe and Wroxall Round. Entries open 22 October 2025.

Discover the Shere Multi Terrain Event, a scenic trail running festival in the Surrey Hills AONB with 10k, 21k and marathon routes that showcase dramatic views and big climbs. Expect an expo village, on site food and fortnightly training ru..

Take on a scenic multi terrain marathon or half marathon through the rolling Surrey Hills from Farnham. The off road, hilly course features plenty of aid stations and friendly marshals to keep you moving.

Join Rye Ancient Trails 30k or 15k through the High Weald, linking Norman churches with rolling hills, woodland and coastal views. Enjoy a town crier start, friendly community marshals and post race tea and cake.

Join the Alf Shrubb Memorial 10k and 5k in Slinfold, a friendly trail race through West Sussex countryside finishing at Slinfold Cricket Club. Chip timing, medals, cakes and a licensed bar make it a lively community fundraiser supporting lo..

A scenic 13.1 mile trail through Richmond Park, starting and finishing at Sheen Gate. Rolling trails, lakeside views and woodland wildlife make this a refreshingly classic half marathon for runners of all levels.

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.

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