Trail Running calendar near Welwyn Garden City 2026-2027

A guided trail half marathon around the Surrey Hills, about 13 miles from St Martha's Hill in Guildford, following parts of the North Downs Way and notable viewpoints. The run is social in format with a guided pace and evening options.

A looped trail event at High Lodge Thetford Forest offering distances from 5k to ultra marathon, lap-based formats, on course aid at the lap point, medal options and refreshments at Oak Lodge. Part of entry fees support forest upkeep.

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.

Repeat the same 6.71 km loop every hour on Beacon Hill until one runner remains; includes a full open-ended format and a 12 hour taster with support between laps.

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.

The Brighton Marathon Weekend will take place in Brighton from Saturday 3 April 2027 to Sunday 4 April 2027. You can run between 10 and 42 kilometers.

A single loop 50 km trail race from Arundel through the South Downs with marked trails, four aid stations, live GPS tracking and 2 ITRA points.

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.

Three trail routes at Stanmer Park on 3 April 2027 across the South Downs Way, with varied terrain, marked aid outposts and timed results.

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 42 km trail to road marathon across the South Downs featuring an ascent of Ditchling Beacon and a final 6 km into Hove Lawns on the Brighton Marathon course.

A cupless trail half marathon through Thetford Forest on mixed hard-packed and grassy paths, with podium trophies, manual timing, and a minimum age of 17.

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 54 mile circular ultra and a 26.2 mile marathon route start from Brixworth Country Park, mixing trails, roads and canal towpaths with staffed checkpoints and real time GPS tracking.

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 50 mile Centurion Running events from 10 April to 13 November 2027 make up the 50 Mile Grand Slam.

A family friendly inflatable obstacle fun run in Huntingdon on 10 April 2027 with 2.5k laps, multiple distances, music zones, a finisher's medal and on course water.

A 26.2 mile race covering the final section of the Rose of the Shires Ultra, mixing trails, roads and canal towpath. The route features two staffed checkpoints, real time GPS tracking and transport from Brixworth Country Park to the start.

Races on the Thames Path at Wraysbury Skiff & Punting Club in Runnymede offering Marathon, Half Marathon and 10 km courses with marked turnaround points and stocked checkpoints.

A 28 mile run along the traffic free Brampton Valley Way, staged as a Leicestershire versus Northamptonshire contest with 100 places from each end. The route includes two dark tunnels, feed stations every 4.5 miles and a 7 hour cut off.