Trail Running calendar near Box Hill 2026-2027

A winter single loop trail ultramarathon in Hampshire covering about 53 miles and 6400 ft of ascent, mostly on the South Downs Way and linked trails. Entry requires a marathon qualifier and winter darkness trail running experience.

A two day, 66 mile trail ultra along the North Downs Way near Farnham, Surrey on 6 and 7 February 2027. Options include a full package with accommodation and meals or single day entries, with checkpoints and course support provided.

A 28.2 trail marathon along the River Adur in February, starting at Shoreham Sea Scout Hut, with muddy paths and fully stocked aid stations. Prior trail marathon experience, suitable clothing and a mobile phone are required.

Experience two distinct half marathons along the Hampshire coast over one weekend. Run the muddy trails of Langstone Harbour or the flat promenades of Southsea, with the option to complete both for a special bonus medal.

Lapped running on the Flitch Way near Rayne with 5.3 km loops and options from 5 km up to marathon plus a 6 hour challenge. Cupless aid stations at every lap and a choice of bespoke medals and goody bags.

A fully signed 50k trail ultra on the North Downs Way and Norbury Park with 2986 ft of ascent. Based at Denbies Wine Estate near Dorking, the route includes four checkpoints offering food and drinks.

An annual 12 mile trail race around the Vale of Pewsey organised by Pewsey Vale Running Club, listed in Worlds Ultimate Running Races. Proceeds from the Terminator have helped the club donate over £101,000 to local charities.

Trail event in the Meon Valley on 21 February 2027 at Queen Elizabeth Country Park. Options include 16 miles, marathon or 50 km ultramarathon on single-lap muddy trails with two climbs to Butser Hill and stocked aid stations.

A 42-mile trail ultramarathon across historic Essex from Chipping Ongar to St Peter-on-the-Wall, with varied muddy paths, four staffed checkpoints, GPX navigation and compulsory safety kit.

A 10 km mixed-terrain run from Windsor & Eton Brewery along towpaths and parkland, with staggered starts, a pint cup and free drink at the finish, chip timing and downloadable race photos.

Coastal trail event in Eastbourne on 6 March 2027 offering 10K, half, marathon and ultra routes along the Seven Sisters cliffs with rolling chalk and forest terrain and season leaderboard points.

Trail races around Pitsford Water with 10k and Half Marathon routes from Brixworth Country Park, fully marked courses, water stations, first aid, prizes and a finisher medal.

A mixed-terrain out-and-back event on the Milford on Sea coastal path with 5.3 km laps, coastal views and options from 5K up to ultra-marathon. Facilities include aid tables, on-course toilets and medals for lap finishers.

A trail race at Harrold-Odell Country Park on 13 March 2027 offering 25 km and 50 km distances organised by Thunder Races. Early bird and standard entry prices apply; instalment and transfer options are available.

Multi distance trail event at Hyde Hall Farm on 13/03/2027 offering 10k, half, full and ultra options. The course uses farm grounds with laps, an aid station, secure on site parking and a bespoke finisher medal.

A series of fully marked, fully supported trail and ultra events that prioritise clear waymarking, generous cut-offs, and runnable countryside courses. Distances include an 81-mile Bunyan Trail ultra and 25 km and 50 km Harrold Odell races.

Celebrate International Women’s Day with an all female trail run at the beautiful Culden Faw Estate. Choose from three distances featuring rolling hills and woodland paths in an inclusive environment.

A short out and back carrying race on The Nower in Dorking with a 380 m course and 15 m ascent. Adult pairs follow a weigh in and helmet rules; prizes include a barrel of local ale and novelty awards.

A 13.1 mile cross-country trail from Dorking to Leith Hill Tower and back, with about 1,800 ft of ascent. Entry includes water stations, a personalised number, a reusable medal, post-race beer and a cooked breakfast.

A countryside walking and running event on 14 March 2027 around Sevenoaks, offering three new circular routes that showcase views of the North Downs and Greensand Way, with indoor checkpoints and a 225 person entry limit.