Trail Running Calendar United Kingdom 2026-2027

A timed, self supported anticlockwise loop around Canvey Island starting and finishing at Waterside Farm Leisure Centre. The mostly coastal route includes sea wall, grass and gravel paths, a 10k pub check point and a four hour cut off.

ATW Grafham 5K and 10K take place at Grafham Water Visitors Centre on 25 October 2026. Entry fees range from £24 to £33, the races run alongside the ATW Grafham Duathlon, and camping is available the night before.

An off-road event south of Canterbury offering marathon and half marathon routes across scenic trails and country lanes. Checkpoints, mandatory kit requirements, OpenTracking and Event HQ facilities are provided.

Looped races at Chalfont Park and Chalfont St Peter let runners choose distances from a 7K loop to multi lap ultras. Aid station, clear course marking, crew support and medical cover are provided.

A guided 13 km loop around Llyn Trawsfynydd in Southern Snowdonia on runnable trails, led at a steady pace with regular regrouping stops; organised by OutFit with standard and member entry options.

Mendip Muddle is a 20 km multi terrain fell race in Somerset with about 420 m of climbing. Headquarters are at Charter House Outdoor Activity Centre; on course water and first aid are provided and prizes are awarded by category.

Routes along the Grand Western Canal in Tiverton include Marathon, Half Marathon and 10k options on hard packed gravel towpaths. The event is cupless so runners must carry their own water and finishers receive a bespoke medal.

Essex Walker offers a 26 miles figure of 8 route and an 18 miles variant on footpaths and bridleways around Blackmore. It is part of the Essex and Herts Triple Challenge and includes checkpoints, refreshments, and a finishers certificate.

A Halloween themed night time run at Irchester Country Park on 30 October 2026 offering 5k and 2k family runs, finishers medals, Halloween treats, free event photos and prizes for top 3 men and women in the 5k.

A series of mountain trail races across the Black Mountains and Brecon Beacons offering four distances from 21 miles to 100 miles. Routes combine marked sections, GPS navigation and staffed checkpoints with mountain safety cover.

A 5 mile self navigated night trail run from The Plough and Harrow in Litlington with Halloween fancy dress, GPX navigation, trophies for best dressed and a timed but social atmosphere.

An evening trail event at Haldon Forest Park on 30 October 2026 offering a 2.5 km fun run plus 5 km and 10 km running and canicross options, free race photography and a Halloween 2025 medal for each finisher.

A Halloween themed trail event on the Leeds to Liverpool Canal in Kirkstall offering distances from a family friendly 1 mile to ultra marathon. The licensed course is marshalled and features drink stations, Halloween medals and spot prizes.

Spooky Challenge Day 1 on 31 October 2026 in Bridestowe is an 8 hour timed off road and paved event on an out and back route along an old train line. Laps are 5.3 km, entries limited and minimum age is 18.

A *10 km* trail race from Auchterarder into the Ochil Hills with forest trails, stream crossings and a route shaped like a chilli pepper. Online entry, 16+ age limit, goody bag with snood and medal, prizes for finishers and costumes.

Celebrate Halloween with a historic fell race starting at the Summit Inn in Littleborough. This 4.3 mile event features 800 feet of ascent and includes categories for all ages from juniors to seniors.

Trail races around Roadford Lake organised by Sportiva Events. Distances include 10K and half marathon with canicross options. Entries include chip timing, feed station, medal, refreshments and category prizes.

A single-loop **50K** trail race from Berkhamsted through Ashridge and along The Ridgeway, featuring 800 m of ascent, fully marked navigation, three full aid stations and a 9-hour cutoff.

Trail Outlaws stages Dark Skies Run @ Wooler in Northumberland with fully marked trails, stocked check points and options for a Trail 10k or a Half Marathon. Entry fees shown range from £25 to £36.

A short fell race from Monsal Dale that pairs flat, fast trail running with a direct climb and descent of Fin Cop, finishing at Monsal Head. The course is 9.5 km with about 500 m of ascent and is governed by FRA rules.