Trail Running calendar near London 2026-2027

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 10 km trail race in the Nene Valley, starting and finishing at KC Active in Kings Cliffe. The marked and marshalled circular route runs on tracks, fields and disused railway lines and includes a staffed aid station.

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 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..

An alternative to the London Marathon at Walton on Thames featuring a UKA certified 3.28 mile lap. Options include full and half marathon or a seven hour timed event, with a 150 mm finish medal for participants.

A multi distance road event at Suffolk Running Centre on 25 April 2027 offering 5k, 10k, half and full marathon on scenic measured routes. Aid stations are placed every 10k and the event is cupless so runners use their own bottles.

A five mile off road race through woods and farmland around Hurstbourne Tarrant in the North Wessex Downs. Organised entirely by volunteers since 2009, the annual event donates all proceeds to local charities.

A Pretty Muddy 5k obstacle course at Lydiard Park on 01 May 2027 featuring mixed paths, hills and muddy obstacles. The event has wave starts, blue badge parking on grass and a minimum fundraising target of £50.

A multi-distance coastal trek and trail event from Chale on 2–3 May 2026, offering routes from a 10 mile option to a 106 km full island challenge, with GPS tracking, staffed rest stops, medical cover, camping and shuttle transfers.

A combined entry for four Centurion Running 100 mile events across 2027, covering Thames Path, South Downs Way, North Downs Way and Autumn 100. Entries open 31 May 2026 with a minimum age of 20 on 1 May 2027.

A marked 100 mile point-to-point race along the Thames Path from Richmond to Oxford, with a 30 hour cut-off, at least twelve aid stations and mandatory kit. Pacers allowed from mile 51 and entries open 31 May 2026.

A trail event at Lancing Manor Leisure Centre on 2 May 2027 offering Marathon, Half Marathon and a 5 mile trail run across South Downs terrain. Courses include steep hills, regular aid stations and volunteer marshals.

Five trail races take place on Sunday 3 May 2026 around Ilmington in the Cotswolds, from 10K up to a 100K ultra, with feed stations, baggage support and route navigation aids for longer distances.

Off road half marathon and 10 km through Collingbourne woods near Ludgershall with stocked aid stations, full medical support and chip timing. Medals for all finishers and prizes for the top three men and women.