Trail Running Calendar United Kingdom 2026-2027

A timed, self-supported anti-clockwise loop around Canvey Island starting and finishing at Waterside Farm Leisure Centre, with a pub check at about 10 km, a four hour cut off, and a route mainly on sea wall and coastal paths.

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.

A Halloween themed night run at Irchester Country Park with 5k and 2k family routes, a finisher medal, free event photos and Halloween chocolates. Minimum ages apply and hard packed trails suit road or trail shoes.

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 five mile night trail run at The Plough and Harrow in Litlington on 30 October 2026, self navigated via GPX with a tail runner, timed results, Halloween fancy dress prizes and an age limit of 18 plus.

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 in Bridestowe on 31 October 2026 is an 8 hour timed event with a *5.3 km* out and back lap on an old disused train line. A TUGG system allows staggered starts and finishers who complete a lap may receive a medal.

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.

A traditional fell race from the Summit Inn in Littleborough on Halloween 2026, covering about 4.3 miles with over 800 ft of ascent. The event includes several junior categories, runs under FRA rules, and features costume prizes.

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 on 31 October 2026 around the Chilterns, starting and finishing at Berkhamsted Cricket Club. Fully marked route with three full aid stations, around 800 m elevation and a 9 hour cutoff, limited to 350 runners.

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.

Tackle the Monsal Mash in the Peak District, a challenging 9.5 km fell race with 500 m of climb over technical and fast rough terrain. Advance entry and full kit required, teams of three welcome.

Trail races from Jenkins Field, Glenridding offer 5k, 10k and 15k courses on marked, marshalled trails with scenic fell views, event village facilities and on site medical cover.