Trail Running calendar near West Sussex 2025-2026

The Beachy Head Marathon is one of the largest off-road marathons in the UK, renowned for its stunning and challenging course through the South Downs National Park. Formerly known as the Seven Sisters Marathon, it attracts runners, joggers,..

Run through scenic Epping Forest on Saturday 25 October 2025 with a Half Marathon or 10K on varied natural trails. Chip timed, fully marked and dog friendly with aid stations and a finisher medal.

Thames Trail Ultra is a scenic 47 mile run from Iffley to Henley along the Thames Path and Ridgeway with riverside and country trails. Waymarked route, tracking and checkpoints create a friendly but testing day for seasoned runners.

Join Running Tribe in Chalfont St Peter on October 25 for Course 4, a friendly looped event offering distances from 7k to a 30 Mile ultra. Start and finish support includes drop bags, an aid station, pacers and medals for top finishers.

Take on the Stort30, a scenic 30 mile ultramarathon along the River Stort and Lee Navigation. Expect riverside trail with some muddy sections, checkpoints and club facilities for a friendly but challenging day.

Thames Path Trail Run : Windsor Racecourse, 26 October 2025 The Thames Path Trail Run takes place at Windsor Racecourse on 26 October 2025. The route follows sections of the Thames and nearby countryside. Distances offered: 21km 16km No do..

The KNC 4 - Trosley Country Park will take place in Vigo Village on Thursday 30 October 2025. You can run 60 text.unit_min.

Join Plough and Harroween, a 5 mile Halloween night trail through Friston Forest on 31 October, starting and finishing at the Plough and Harrow in Litlington. Fancy dress, head torch and trail shoes required; medals, prizes and a pub drink..

Run 50 miles on an athletics track at Fireworks 50, a small field limited to 50 entrants with festival vibes, music, free tea and cake and a bespoke medal. Enjoy traffic free laps, aid stations and fireworks as dusk falls.

Join a guided 10 km trail run through the Chiltern Hills with Run The Wild, grouped by ability and suitable for runners who can cover 5 km non stop. Finish with a Tring Brewery tour, beer tasting and a bottle to take home.

Run under the stars at The Maverick Dark Hampshire in Alice Holt Forest on 1 November 2025, tackling 5 km laps along tree lined forest tracks with 5, 10 and 15 km options. Expect aid stations, chip timing, event photos and a metal finishers..

WRNL Bovington on Saturday 1 November is event two in the Wessex Region Night League: a 60 minute score course across runnable woods, open heath and urban terrain. Fast, tactical night orienteering with marshalled road crossings.

The ZigZag Catherine Wheel Canter is a unique running event held at Wodson Park Sports and Leisure Centre in Ware, Hertfordshire. Participants can choose from various distances including 5k, 10k, half marathon, full marathon, 50k ultra, or..

Tackle the Chiltern Ridge Winter 50K, a scenic trail ultra with about 800m of climb across Berkhamsted Common, Ashridge and The Ridgeway. Fully marked with aid stations, chip timing and finish showers for a memorable autumn challenge.

Run the Leigh on Sea after dark 10k or 5k on 2 November 2025, with a juniors 5k for ages 11 to 15. Headtorches are mandatory, fancy dress is encouraged and every finisher gets a quirky not medal while proceeds benefit Southend YMCA.

The Wendover Woods Marathon, Half Marathon & 10k is a scenic autumn trail running event held in Wendover Woods, Buckinghamshire. The race features multi-terrain, hilly courses with significant climbs, making it a challenging yet rewarding e..

The Dorset Hillfort Ultra is a scenic 38-mile running event set in the picturesque West Dorset, featuring a challenging course with approximately 1,300 meters of ascent. Participants will traverse from one ancient hillfort to another, enjoy..

Join the WIM Founder's Trophy at Bere Wood on Sun 2 Nov with courses for all levels. Expect runnable woods, marshy patches, waterproof maps and electronic punching for a fun day out. Entries close 31 Oct.

Navigate ancient woodland, parkland and meadows at Dagnam Park in the HAVOC Regional and SWELL orienteering event with waterproof maps and SI timing. Courses suit beginners to experienced orienteers and help and coaching are available.

The The Druid's Challenge will take place in Tring on Friday 7 November 2025. You can run 86 miles.