Trail Running calendar near West Sussex 2026-2027

A David Bowie themed trail event at Hurn Forest with a 5.3 km lap and flexible distance choices from 5K to ultra-marathon; medals for one lap finishers and 20% of entries support Forestry England.

A space themed trail event at Hurn Forest with a 5.3 km lap that can be repeated to create distances from 5K to ultra; themed medal, aid station snacks, and a charity donation to 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 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.

A mixed-terrain race day on 10 April 2027 at Remenham Farm, Henley-on-Thames, offering a half marathon, 10K and junior out-and-back along the River Thames.

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.

Four fifty mile Centurion Running races held from 10 April to 13 November 2027 on South Downs Way, North Downs Way, Chiltern Wonderland and Wendover Woods. Entries are processed through SiEntries.

A multi-distance trail event on 17 April 2027 at Cowdrey Estate, Midhurst. Organised by Ultra X, routes pass through greensand hills, river, woodland and lowland heath in the South Downs National Park. Multiple entry categories are availabl..

A 50K trail ultra across the Chiltern Hills from Berkhamsted Castle to Hampden Meadow in Wendover, following ridgeline trails with three checkpoints and full route marking. The event includes on course nutrition, chip timing and a nine hour..

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 42.2 km trail run through the Chiltern Hills using parts of the Ridgeway and Wendover Woods, led by English Athletics qualified Run Leaders. Groups are matched by ability and the event includes checkpoints and a wooden finisher med..

A three day running event over the early May Bank Holiday across East Grinstead, Haywards Heath and Burgess Hill. Options include 10 mile, 10k, mile, fun run and a three day marathon option, plus a virtual marathon choice.

A multi-terrain running event on 18 April 2027 with 5 km and 10 km courses through Wormsley Estate, a steep Ibstone Kicker, age-specific entry rules and a children’s Run In Colour on Ibstone Common.

A multi distance canal and riverside ultra series based at Streatley on Thames offering roughly 250, 158 and 98 mile options. Routes use GPX and maps, include GPS tracking and staffed checkpoints with varied facilities.

An untimed inflatable obstacle course at Hertfordshire County Showground on 24 April 2027 offering 2.5k, 5k, 10k and 15k lap options, music zones, water on course, finishers' medals and on-site food vendors.

A walking and running event around Bath with routes of 12.5, 17, 21 and 26.5 miles over public footpaths, staffed checkpoints, a finisher's medal and post-event refreshments.

A blindfolded navigation challenge in Winchester where participants are dropped at unknown locations and must find their way back on foot. Options include 6 miles for visitors and 10 or 15 miles; no maps or GPS and a sealed emergency bag is..