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 1298 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.

Whythra Bys Vyken 100's – Bude to Hayle is a six-person, 100-mile team trail run across Cornwall from Bude to Hayle. The six runners start together and are supported from a base at Camborne, with crewed stops every 5–6 miles and transport around ferries as needed. This is one of three Cornwall 100-m..

The Bullock Smithy Hike / Ultra 56 is a challenging 56-mile circular hike or ultra-run organized by the 3rd Hazel Grove Scout Group. The event starts and finishes in Hazel Grove, taking place over the first full weekend in September in the Peak District. The course is unmarked, demanding navigationa..

Malham 10k Trail Race is a 10-kilometre trail running event held at Malham Show Field in Malham village, BD23 4DA. It is the third race in the Due North Trail Trilogy. The partially way-marked course runs past iconic landmarks Malham Cove and Malham Tarn, with a climb up to Weets Top and a long, sce..

One Foot in the Gargrave is a 23-mile endurance walk/run organized by LDWA – West Yorkshire. The route starts at Gargrave Village Hall and threads through the Malhamdale countryside, visiting Kirkby Malham, Street Gate, Boss Moor and Eshton for a scenic, rural course. This year marks the event’s 10t..

The Enchanted Ultra 50K is a 50-kilometre ultramarathon through the Cheviot Hills around Wooler, Northumberland. The route is GPS-guided with a digital route map and waterproof map, and runners have 12 hours to complete, supported by marshals and medical cover. Starting at The Mart in Wooler, the co..

Old Crown Round is a category AL fell race organized by Northern Fells Running Club. It covers 36km with 2200m of ascent. The start and finish are in Hesket Newmarket at the Old Crown Pub, and the course forms a loop of the Northern Fells, with checkpoints on Carrock Fell, Blencathra, Skiddaw House,..

The Beast is a challenging 13-mile race hosted by Poole AC, showcasing the stunning landscapes of Dorset. The course begins at Corfe Castle Common, traversing through Worth Matravers and along the coastal path, offering breathtaking views. Runners will encounter a few hills on their return to Corfe...

The Blackdown Hills Half Marathon is a thrilling trail race held at Taunton Racecourse in Somerset, set amidst the scenic Blackdown Hills. Runners can choose between a 10K or a half marathon, with the latter featuring a challenging course that reaches the highest point in the Blackdowns. The route i..

The 2 Hillforts Hill Race is an exciting running event set to take place in 2024, starting and finishing at Plas Dolben Farm in Llangynhafal. Participants will tackle a challenging course that spans just under 9 miles, featuring a significant ascent of 2500 feet as it navigates the scenic Hillforts..

The Woodchester Trail Challenge is a demanding, approximately eight-mile trail race held in Woodchester Park, Gloucestershire (postcode GL10 3TS). Designed for experienced trail runners, the course features hilly woodland tracks and must be completed within a 2.5-hour cutoff. The event offers compet..

The Loweswater Show Fell Race, organized by the Cumberland Fell Runners, is a challenging event set to take place at New House Farm, Lorton, Cockermouth. This race features a route of 2.6 miles with an elevation gain of 1001 feet, catering to both junior and senior runners. Participants must meet sp..

Bradenham Blast is a trail running event staged by Boondock Events in the Chiltern Hills, centered at Manor Farm, Bradenham, High Wycombe (HP14 4HF). Runners choose from 5km, 10km, and 21.1km half marathon. The hilly, scenic routes wind through beech woodland and Bradenham Estate, in the UK's only a..

The Carnival Chase is a scenic running event held in Warminster Town Park, featuring a 10K, 3K, and a new 1.2K Family - Wheelchair - Buggy Fun Run. The course winds through country lanes, tracks, and trails, starting and finishing near the boating lake, with no stiles but some kissing gates. The eve..

The Muntjac 15 is a trail running event held on September 7, 2025, featuring a 15-mile course that connects five beautiful woodlands. This race is ideal for runners who enjoy hilly terrain, wooded areas, and single-track trails, offering a scenic and challenging experience. With a limited number of..

The Phil and Bonnie Bounder 6K Forest Run takes place in Moreton Forest, Dorset, with the Race HQ at Moreton Village Hall. This scenic 6-kilometer run follows woodland paths through the beautiful forest, finishing with the last kilometer on a quiet country road. The event is open to participants age..

Crimond Run Fest is held in Crimond, Aberdeenshire, in the Buchan countryside with views over the Loch of Strathbeg Nature Reserve. The festival offers two distances: 6k and 12k, plus two approx 1.5k kids runs. Spaces are limited to 75 runners per distance.Proceeds go to Crimond Village Christmas Li..

The Coln Valley Charity Trail Run, held near Coln St Aldwyns and Bibury, offers 2km, 5km, and 10km trail distances suitable for all ages and abilities. Set in the scenic Coln River valley, the event features mostly grassy, undulating terrain with a mix of cross-country elements, including hay bale h..

Westonbirt Arboretum Summer 2025 offers a family-friendly running event at Westonbirt Arboretum, near Tetbury, Gloucestershire (GL8 8QS). Runners can choose from 1 mile, 5km, 10km, and half-marathon distances, with a course described as varied and beautiful, winding through arboretum zones dedicated..

A Guided Run: A loop out to Rame Head is a roughly 12-mile guided run organized by Dartmoor Fellrunner. The route starts at the Edgcumbe Arms Pub in Mount Edgcumbe Country Park, Cornwall, and first heads inland to Millbrook Lake with a steep climb to Maker Church and on to Make Heights. After additi..

SOX 10km, organized by Racing Line Running, is held at the South Oxfordshire Brewery in Ipsden (OX10 6AS). The open-to-all event offers a 10km multi-terrain course (60% off-road) suitable for all abilities and is canicross friendly. The route uses typically private trails, woodlands, fields and loca..