Trail Running Calendar United Kingdom 2025-2026

Welcome to the most comprehensive guide to trail races in the UK for 2025-2026! Our curated list features an impressive 1314 trail runs across the enchanting landscapes of Scotland, and Wales. From the iconic trails of London's green outskirts to the rugged terrains near Birmingham, from Glasgow's scenic paths to Liverpool's historic routes, we've got every trail enthusiast covered.

Whether you're a seasoned trail runner looking for your next challenge or a newbie eager to explore the world of off-road running, our calendar is your one-stop solution. Dive deep into the details by searching for a specific location or simply browse through to discover new trail runs. Looking for all running events? Check out the complete Running Calendar United Kingdom on running.life.

Starting and finishing at St Martha's, Guildford, the North Downs Way Ultra Run is a 30-mile trail journey through the Surrey Hills. The route highlights the best sections of the North Downs Way, including Box Hill and Denbies Wine Estate, with sweeping downs views before looping back to Guildford v..

The Saturn 7 Hour Time Challenge in Durham is a trail running event held at the Durham Amateur Rowing Club along the scenic River Wear, offering views of the Cathedral. Participants can run laps of approximately 4.37 miles (7 km), with options to complete distances from a minimum of 3 km up to ultra..

Cannock Chase Running Festival, hosted by RunThrough UK, takes place at Cannock Chase Forest, Birches Valley, near Rugeley in the UK. The event offers Half Marathon, 10K, 5K, and a Junior Race, run on forest paths, woodland tracks and gravel roads through Cannock Chase. The atmosphere is friendly an..

The Sheffield Tententen is a popular multi-terrain trail running event held annually in Endcliffe Park, Sheffield. Featuring a 10k race and a 2.5k fun run for children aged 4 to 14, it attracts over 1,000 participants each year. The course offers a creative mix of grass, road, paved paths, and woodl..

Ranger Ultras High Peak 70/100km Ultra is a two-distance trail race in Derbyshire’s High Peak, based in Whaley Bridge. The course is an out-and-back: 70km to Newhaven and 100km to Middleton Top near Cromford, retracing the historic Cromford and High Peak Railway. It covers varied terrain from the Go..

Ranger Ultras High Peak HP18km Trail Run is a low-key, great-value trail race in Derbyshire’s Peak District. The 18-kilometre out-and-back course starts and finishes in Whaley Bridge, climbing to the upper Goyt Valley with about 488 metres of ascent. Runners enjoy fast trails, challenging ascents, a..

Punk Panther Nidderdale Way is an off-road trail ultramarathon in Nidderdale, North Yorkshire. The event offers four distances—13, 20, 32 and 55 miles—on the Nidderdale Way route with notable climbs. Runners pass iconic locations such as Ripley Castle, Brimham Rocks, Scar House Reservoir and How Ste..

November 2026

The Lighthouse Marathon and Ultra is a challenging running event held in Cornwall, starting at Pendeen and finishing near Godrevy lighthouse. The marathon covers 26 miles along a demanding coastal path featuring mud, water, rocks, sand, tarmac, big climbs, and dunes, with over 4,000 feet of elevatio..

Take on a picturesque autumn challenge at Windsor Trail Run on Sunday 8 November 2026. Set in royal Berkshire, this RunThrough event offers a Half Marathon and 10K on a flat, off-road trail course beginning and finishing near Alexandra Gardens. Located in royal Berkshire, the route offers royal view..

The Saturn Remembrance Run 2026 - North East takes place in Durham City at the Durham Amateur Rowing Club. This inclusive trail running event features a timed challenge lasting 6 hours and 32 minutes, allowing participants to run distances from a minimum of 3km up to ultra distances, with laps of ap..

Dawn Two Dusk: Day Light Robery is a 12-hour night-to-day trail running event in Bridgend, South Wales, organized by Mad Running Junkies. Based at Bridgend Miniature Railway (Fountain Road, Aberkenfig, Tondu, CF32 9BZ), it features three roughly 10-mile routes that participants aim to complete as ma..

Punk Panther Wharfedale Skyline is a trail race in West Yorkshire run by Punk Panther Ultra Marathons. The route, around Otley, Ilkley and Guiseley, offers 13, 20 and 35-mile options with climbs of 1,700–4,800 feet. Runners tackle hills such as Otley Chevin’s Surprise View, Cow and Calf Rocks, and L..

Devil's Punchbowl 10km is a guided trail run organized by Running Adventures. The route starts at Devil's Punchbowl Car Park in Hindhead, Surrey, and covers about 10km of scenic trails around the Devil's Punchbowl, a natural amphitheatre famed for its views and rolling hills. The run is designed to..

The Medal Mix Challenge Day 1, organized by Running Events Devon, takes place near Capel Lane, Littleham, Exmouth on November 28, 2026. This 7-hour timed event features a scenic 5.3 km out-and-back course on an old disused train line, fully paved and accurately measured as a road race. Suitable for..

Serpent Trail Ultra Run is a 30-mile guided trail run starting and finishing in Haslemere, Surrey. Run by Running Adventures, the route showcases the Serpent Trail and the Sussex Border Path, including a visit to the Temple of the Winds lookout with views across the South Downs. The course winds thr..

The Medal Mix Challenge Day 2, organized by Running Events Devon, takes place on Sunday, 29th November 2026 near Capel Lane, Littleham, Exmouth. This 7-hour timed event welcomes runners and walkers of all abilities to complete as many 5.3 km laps as possible on a scenic, undulating, and accurately m..

December 2026

Box Hill Vertical KM is a guided trail run organized by Running Adventures in Box Hill, near Dorking, Surrey. The route covers about 12.5 miles and targets roughly 1000 meters of elevation gain, designed to gain height in a short distance. Runners pass through woodland, heathland and open fields, wi..

The Fordh Sen Mighal is a popular point-to-point running race held in Cornwall, UK, attracting runners from the South West annually. The course follows the European cultural route from Lelant, near St Uny's Church, on the North coast, to Marazion on the South coast, offering a scenic run through bea..

The Saturn 7 Hour Time Challenge in Durham, known as the Snow Globe Gallop, is a trail running event held at the Durham Amateur Rowing Club along the scenic River Wear, offering views of the Cathedral. Participants can run laps of a 4.37-mile (7km) course, with options to complete distances from a m..

Punk Panther Christmas Cracker is a winter trail challenge in Otley, West Yorkshire. Entrants choose from 12, 19 or 32 miles, with climbs of about 1,700, 2,200 and 3,400 feet respectively. The route is a changing mystery each year, with the slowest runners starting first and others ordered by pace f..