Trail Running calendar near London Borough of Enfield 2026-2027

A 54 mile circular ultra and a 26.2 mile marathon from Brixworth Country Park through Northamptonshire trails, canal towpath and roads, with checkpoints, GeoTracks real time tracking and an over 18 age limit.

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.

Inflatable 5K returns to Huntingdon with giant inflatable obstacles, music zones and multiple distances to choose from. Distances include 2.5k, 5k, 10k and 15k, with a finisher's medal, on-course water and event photography.

A 26.2 mile section of the Rose of the Shires Ultra, the Rosebud Marathon runs across Northamptonshire trails, roads and canal towpath with two staffed checkpoints and GPS tracking provided.

An out and back ultra on the traffic free Brampton Valley Way that pairs Market Harborough and Northampton in a county competition, covering 45 km with timing mats at both ends, aid stations, tunnels and a seven hour cut off.

A running festival at Haughley Park, Suffolk with looped courses through pathways and woodland, onsite parking, lap aid station and bespoke finisher medals. Distances range from 5k to ultra marathon.

Forest trail runs at High Lodge in Thetford Forest on 11 April 2027 with 5 km, 10 km and a new half marathon options. The chip timed event is fully supported and all finishers receive a medal, merchandise, snack and drink.

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.

A scenic 10k trail race through the Nene Valley on Sunday 18 April 2027, starting and finishing at KC Active in Kings Cliffe. Entry is via SiEntries with a £22 fee and a minimum age of 16.

Ibstone Circle on 18 April 2027 offers multi-terrain 5 km and 10 km routes through Wormsley Estate with a steep section called the Ibstone Kicker, plus a children s Run In Colour with 1 km and 2 km options.

A multi-distance canal and riverside ultraseries based at Streatley-on-Thames, featuring TR250, TR150 and TR100 with GPS tracking, checkpoint support and required navigation using provided GPX files and maps.

An inflatable obstacle course event in St Albans on 24 April 2027 offering 2.5k, 5k, 10k and 15k options with multiple inflatables, five music zones and a finisher medal. No timing and family friendly.

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.