Trail Running calendar near Slinfold 2026-2027

Trail running at Matterley Basin in the South Downs National Park with three route options across chalk downland, woodland and ridgelines. Courses are fully marked, timed and supported with outposts, parking and a finishers medal.

London Lea Valley Ultra 2027 is an ultramarathon organised by London based Camino Ultra on 20 March 2027 in London E15 2HB. The race is part of Camino Ultra's programme which also includes coaching and training resources.

A PARAS'10 event in Friday Woods featuring a 3 mile loop with one to three laps, categories for runners, TAB entrants and canicross. A 2 mile junior race is available for ages 10 to 15.

Seven consecutive days of timed running on certified out and back routes along the River Thames in Walton on Thames. Distances from 5 km to ultra are available and finishers earn daily mementos plus a seven day lantern medal set.

A David Bowie themed trail event at Hurn Forest with a 5.3 km out and back lap and distance choices from 5K to ultra-marathon. Clubhouse facilities, an aid station with snacks, bag drop and a Bowie inspired finisher medal are provided.

A space themed trail event at Hurn Forest with themed medals, aid station snacks and 5.3 km laps. Participants can choose distances from 5K to ultra marathon and 20% of entry fees support Forestry England.

A two lap multi terrain 10 km trail race on Easter Monday around Mortimer Fairground and local woodlands, with a canicross option, chip timing, medal and free race photos. The undulating course is not suitable for pushchairs or wheelchairs.

A single loop 50 km trail race around Arundel and the South Downs with about 3,200 ft of ascent, four aid stations, live GPS tracking and chip timing on a fully marked course through predominantly trail terrain.

A 40 or 50 mile trail ultra along the Testway from Linkenholt to Totton in Southampton, with aid stations every 10 miles, marshals and medical support. A shuttle option is available for an extra £10 and there is a 14 hour cutoff.

A trail running event at Stanmer Park on the South Downs Way with three routes from 5 km to 21 km, varied terrain, marked and timed courses, refuelling outposts, and on-site services including photography and a finishers medal.

A night running challenge at Hyde Hall Farm offering twelve hour or six hour shifts under the stars. Head torches are required and hot drinks plus an aid station are provided with a medal for every finisher.

A 42km off road marathon from Stanmer Park across the South Downs to a finish on Hove Lawns. The route includes Ditchling Beacon and joins the Brighton Marathon for the final 6km.

Scenic mixed terrain races along the Thames at Remenham Farm in Henley on Thames. Options include a Half Marathon, a 10K and a Junior Race with marked trails, marshals, chip timing and post race goodies.

A 50 mile point-to-point race along the South Downs Way from Worthing to Eastbourne, featuring about 5,700 ft of climb, seven staffed aid stations, mandatory kit checks and a 13 hour finish limit.

A combined entry for four Centurion Running 50 mile events held between 10 April and 13 November 2027, with an entry fee of £480 and a minimum age of 20. Registration and payment are via SiEntries.

A trail weekend at Cowdray Estate, West Sussex offering five distances from 12 km to 110 km, low technical difficulty, an event village with expo, and optional camping and race support.

A 50K trail ultramarathon across the Chiltern Hills from Berkhamsted Castle to Hampden Meadow, routed via Ashridge, Ivinghoe Beacon, Coombe Hill and Whiteleaf Hill. Fully marked course, three checkpoints and a nine hour cutoff.

Windsor 50 is a supported trail event from Windsor Racecourse offering 50 km, 25 km and 10 km looped routes through the Great Park, past Windsor Castle and along the Thames Path, with rest stops, medical teams and GPS tracking.

A guided trail marathon of 42.2 km through the Chiltern Hills, including parts of the Ridgeway and Wendover Woods. English Athletics qualified leaders provide navigation and support, with refreshment stops and a wooden finisher's medal.

Three days of races across East Grinstead, Haywards Heath and Burgess Hill with 10 mile and 10k events, a chip timed mile, family fun runs and options for a combined full marathon or a virtual marathon.