Trail Running calendar near West Sussex 2026-2027

The Pretty Muddy 5 km obstacle course at Baiter Park, Poole on 29 May 2027 runs across grass and tarmac with staggered wave starts every 15 minutes. Participants must be 13 or older and there is a minimum fundraising target.

A multi-distance trek and trail event from Richmond to Brighton on 29-30 May 2027, with covered rest stops, GPS tracking and camping options. Distances include 100 km, 50 km, 25 km and other options.

Trail event at Hyde Hall Farm with a 5.3 km loop and multiple race options up to a 32 hour 100 mile challenge. The event includes an on course aid station, secure parking and finisher medals.

An 86 mile point to point trail race along The Ridgeway National Trail from Ivinghoe Beacon to Avebury Stones, with eight checkpoints, GPS tracking, a 28 hour time limit and a 150 runner field.

A 60 km point to point ultramarathon on the Ridgeway National Trail from Ivinghoe Beacon to Ridgeway View Campsite, with about 1000 m of ascent, four checkpoints, open tracking and a 150 runner limit.

A 24 hour off road trail event on *5 mile* loops offering Solo, Pair, and Team entries. The site includes camping, parking, caterers, and illuminated routes for night running.

A 13.5 mile single-loop trail through the South Downs National Park, starting and finishing at Helen Garden in Eastbourne. The route follows the South Downs Way via Friston Forest, Seven Sisters and Beachy Head with about 2,000 ft of ascent..

A Star Wars 50th Anniversary weekend on 5 and 6 June 2027 at Caldecotte, Milton Keynes featuring marathon and half marathon races around Caldecotte Lake, unique finisher medals, on-course water and toilets, and time limits for each race.

A 5k obstacle course at Royal Windsor Racecourse with mud obstacles to climb, crawl and slide, mixed tarmac and grass surfaces, staggered wave starts and a minimum age of 13. Earlybird entry prices and a fundraising target apply.

A 5 km obstacle course at Prospect Park in Reading where participants climb, crawl and slide across grassy slopes and woodland. Waves run every 15 minutes and the event is open to people aged 13 and over.

A 5k muddy obstacle course at Willen Lake with staggered wave starts, on-site toilets and parking, blue badge parking nearby, and a fundraising target of £50. The event is not wheelchair accessible.

Backyard Ultra at Chilton Manor Farm on 5 June 2027 features a 6706 m loop run each hour until one runner remains, with weekend camping, on route water stations, event camp facilities and medical support.

A point to point 50 km trail ultramarathon from Rochester to Tonbridge along the River Medway. The predominantly flat, fully marked course features four stocked aid stations, chip timing, live GPS tracking and an athletics track finish.

A *30 km* point-to-point trail along the River Medway from Little Fant Farm to Tonbridge, fully marked and chip-timed with three staffed checkpoints and an athletics track finish. The event has mandatory checkpoint cut-offs and an eight-hou..

At Prospect Park in Reading this Race for Life event offers a 10k run as two laps of the 5k course plus a separate 5k option, with grass and woodland terrain and some steep slopes.

A multi distance running event in Bath that features long underground sections through the Devonshire and Combe Down tunnels and a city centre start and finish at Brickfields Park. Races range from 500 m Colourburst to an ultra marathon.

Park-based 3k and 5k runs at Dunorlan Park with mixed grass and woodland terrain. The event is organised by Cancer Research UK and includes a fundraising pack and a finishers medal.

A multi distance trail event in the Chilterns AONB near Hitchin on 6 June 2027, with 10 km, half marathon and marathon routes for runners and riders. Start and finish are on Gosmore village green with course support and a race village.

BigSea on the Isle of Purbeck starts and finishes on Knoll Beach and offers Half Marathon, 18 Mile, Marathon and 54k routes across the Purbeck Hills and coastal landmarks. Aid stations provide snacks, water and vegan options and PH 1000 ele..

A *10 km* out-and-back race through gravel paths and woodland at Weald Country Park in Brentwood, organised by MCC Promotions. The event includes on-day registration, water stations, prizes and supports the charity Sport In Mind.