Trail Running Calendar United Kingdom 2025-2026

The St Andrews Day Challenge, organized by Zig Zag Running, takes place at Brandon Country Park in Suffolk, located in the heart of Thetford Forest. This multi-terrain event features a 5.3 km loop of gravel footpaths and grass areas. Participants can choose between a 6-hour or 4-hour timed challenge..

The Medal Mix Challenge Day 2, organized by Running Events Devon, takes place near Capel Lane, Littleham, Exmouth on Sunday, 30th November 2025. This 7-hour timed event features an accurately measured 5.3 km out-and-back course on a scenic, undulating old disused train line, fully paved and classifi..

The Winter Trail Runs at Dalby Forest, held on the edge of the North York Moors in North Yorkshire, offer a scenic and challenging running experience through over 8,500 acres of forest trails. Participants can choose from a Marathon (26.2 miles), Half Marathon (13.1 miles), or 10km race, with the ma..

Surrey Hills Half Marathon is a guided trail half marathon starting and finishing in Guildford, Surrey. The 13-mile route threads through the Surrey Hills’ scenery, including St Martha’s Church and hill, the village of Shere, and Newlands Corner and Hackhurst Downs, with sections of the North Downs..

Lee Mill Relays is a relay event set in the Lee Mill Quarry site, based in Rossendale, Lancashire. It features teams of four runners, with all four running an individual leg of a hard and demanding 10.7-kilometre flagged course. Runners should expect wintery conditions and a stringent equipment chec..

The 12th Colworth Hare and Tortoise Run is a 26.3-mile, five-lap event around the Colworth Estate in North Bedfordshire, hosted by Colworth Striders. The course blends gently undulating trail with unclassified road, including woodland paths with uneven surfaces and roots, narrow sections that limit..

Winter on the Downs is an ultra-running event featuring two single-loop races of 55 miles and 100 miles, set in the scenic trails of East and West Sussex. Starting and finishing in Eastbourne, participants will traverse iconic landscapes, including Beachy Head and the Seven Sisters. The 55-mile rout..

The Drop - Kendal is a unique and challenging UK race held in Kendal, offering participants a 10-mile or 15-mile course to complete solo or in teams. The event is inspired by military-style endurance and navigation challenges, where runners are blindfolded and dropped at an undisclosed location. Wit..

Race The Light is a winter trail race held at Mothecombe on the Erme Estuary in Devon. The Classic route covers about 8.5 miles of shadowy estuarine trails through the private Flete Estate, including a double crossing of the Erme Estuary, making it a race against the light and the tide with wet feet..

SCOTT Sports Winter Cheviot Goat is a hard winter ultra organized by Cold Brew Events in partnership with SCOTT Sports. The race takes place around the Cheviot hills in Northumberland, starting and finishing near Ingram Village Hall (Ingram, NE66 4LU). The course is a loop of the Cheviots, about 55..

The Crag Fell Handicap Race, organized by the Cumberland Fell Runners, is a challenging fell running event set in Bleach Green, Ennerdale. This race features a distance of 2.5 miles with an elevation gain of 1345 feet, making it a Category AS race. Participants must prepare adequately with essential..

Cowdray Winter Night Run is a 5km or 10km trail race on the Cowdray Estate in West Sussex. The routes traverse parkland and along the River Rother, with some private estate tracks; the course is mostly flat with a couple of gentle climbs. Runners start at the Cowdray Ruins and finish at the Walled G..

Secret Santa Figgy Pud 14km, Turkey Ten Miles & Half Marathon Du Mulled Wine is a trail event from Cwmdu Village Hall near Crickhowell, Powys. Distances are 14km, 10 miles and a Half Marathon. The courses head west toward Bwlch Mountain and follow the Beacons Way, with the Half Marathon routing via..

Endurancelife Dorset runs in Swanage along the Jurassic Coast Path, a World Heritage-listed coastline since 2001. The event offers four distances—10K (6 miles), half marathon (13.1 miles), marathon (27 miles), and ultra (37.2 miles)—with substantial climbs (774, 1,719, 4,692, 7,027 ft) on an extreme..

How Hard Can It Be Events presents The Telford T50 Trail Run, a winter 50-mile ultramarathon in Shropshire. Race HQ is The Unicorn Inn, Holly Road, Little Dawley, Telford. The 2025 edition features a T50 pathway through notable Telford sites, from Ironbridge to the Wrekin, crossing historic industri..

The Siblyback Santa Scamper is a festive, family-friendly running event held around Siblyback Lake in Liskeard, Great Britain. Scheduled for December 6-7, 2025, it offers three timed distances: 9.6 km, 4.8 km, and a 2.5 km fun run. The event is Christmas-themed and canicross-friendly, welcoming runn..

The Alyn Waters Winter Trails offer 5k and 10k fully marked and marshalled trail running courses set in the scenic Alyn Waters country park. Designed for all abilities, the event encourages participants to race or enjoy a leisurely run without time limits. The accessible paths feature varied terrain..

Rudolph's Romp is a 25-mile end-of-year challenge organized by LDWA – East Yorkshire, based at Brantingham Village Hall, Brantingham, near Brough (HU15 1QG). The traditional route traverses the scenic Yorkshire Wolds, delivering a classic mix of woodland, hills and dale with sweeping views of the Va..

The Cannock Chase Forest Christmas 10K, 5K, and Junior Fun Run is a festive running event held in the scenic Cannock Chase Forest, Staffordshire. Participants can choose from 10K, 5K, or a junior run, all set on undulating forest trails that offer picturesque views and a challenging course. The even..

RunThrough UK presents the Carsington Water Half Marathon & 10k on Saturday 6 December 2025 at Carsington Water, Ashbourne DE6 1ST, UK. The event showcases two scenic trail routes around Carsington Water: an undulating half marathon course that is out-and-back before a full reservoir loop, and a 10k..