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 1437 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.

The Peddars Way Ultra Marathon is a 48-mile running event that traverses the historic landscapes of Suffolk and Norfolk, starting at Knettishall Heath Nature Reserve and finishing at Holme-next-the-Sea on the Norfolk Coast. This ancient route, once a Pre-Roman trading path and later a Roman road, fe..

Pendle Way In A Day is a challenging winter ultra event taking place in East Lancashire, featuring a scenic route around the Pendle Way. Participants can choose between a 45-mile or a 30-mile course, both starting from Barley. The event showcases the beautiful moorlands and villages of the area, wit..

The Hibernal Hills 50 Miles is a challenging ultra-distance running event that takes place at Queen Elizabeth Country Park in Hampshire. This season-opening race features a single loop course that is both runnable and undulating, with approximately 6,400 feet of elevation gain. Participants will tra..

The Pilgrim Challenge is a renowned ultra marathon event held along the scenic North Downs Way in the UK. Participants can choose to run or walk either 66 miles over two days or 33 miles in a single day. The event is designed for both seasoned runners and newcomers, offering a supportive atmosphere..

The Duergar Nightcrawler is a thrilling 10-mile winter night trail run set in the picturesque Simonside Hills of Northumberland. Participants will navigate the trails while evading mythical creatures known as Duergar, who are said to lead travelers astray. This event caters to both novice and experi..

The Westonbirt Arboretum Winter Night Race is an exciting running event set in the stunning National Arboretum, featuring over 2,500 tree species. Participants can choose between 5km and 10km routes, which showcase the arboretum's diverse landscapes and solid terrain, providing a unique blend of tra..

Windy Hill is a challenging 12-mile trail running event hosted by CraggRunner, featuring over 2000 feet of elevation gain. The race begins at the historic Rams Head Inn, known for its stunning moorland views and excellent food offerings. Participants navigate a scenic route that includes checkpoints..

The Westonbirt Arboretum Winter Day Race is a scenic running event set in the stunning National Arboretum, featuring over 2,500 tree species. Participants can choose between a 5km or 10km race, with routes that showcase the beauty and diversity of the arboretum's landscape. The event is designed to..

The North Lakes Half Marathon & 10KM, organized by Wild Deer Events in collaboration with Events up North/Timing up North, will take place in the picturesque Lorton Valley near Cockermouth on February 8, 2026. Participants can enjoy scenic routes primarily along quiet country lanes, offering stunnin..

Grim Leodis is a scenic 6.5-mile running event organized by It's Grim Up North Running, set in the picturesque landscapes of Yorkshire. The course features a mix of canal towpaths, riverbanks, trails, and a short road section, providing participants with a diverse running experience. The route is we..

The Portland Coastal Marathon is an exciting running event set to take place at the Weymouth and Portland National Sailing Academy. Scheduled for February 9, 2025, it features a full marathon, half marathon, and a 10k, catering to runners of all abilities. Participants will navigate the scenic South..

The Anglezarke Amble is a scenic challenge walk held in the West Pennine Moors, featuring two route options: a long 24-mile and a short 16-mile course. The route showcases beautiful landscapes, including Lever Park with its historic gardens, Rivington Pike, Winter Hill—the highest point at nearly 15..

The Silverdale Circuit 2026 is a challenging 19-mile trail race set in scenic Lancashire. The undulating course features notable landmarks such as Arnside Knott and Fairy Steps, offering stunning views of Morecambe Bay and the Lakes. Participants will pass through diverse landscapes, including Dalha..

XTERRA Matterley is an off-road racing event held at the scenic Matterley Basin in Hampshire, United Kingdom. Scheduled for February 14-15, 2026, it offers a variety of race formats including duathlons and trail runs suitable for athletes of all levels. The duathlon races feature distances such as a..

The Whinlatter Moon Runner is a unique 10k head torch trail race set in the stunning Whinlatter Forest, England's only true mountain forest. Scheduled for February 14, 2026, this event offers a fully marked course that caters to both novice and experienced runners. Participants will experience the t..

The Billing is a unique winter running event organized by Great Owl Running, taking place in February. This approximately 14km race starts at the Emmott Arms in Rawdon, Leeds, and features a challenging course that includes a climb up The Billing, a lap around the Leeds Bradford Airport perimeter, a..

The 'Rayne'ing Medals Anniversary Challenge is a running event celebrating six years of Hare & Tortoise Running, taking place on The Flitch Way in Rayne. Participants can choose from five entry options, including a marathon, 6-hour timed event, 5km, 10km, and half marathon. The course features 5km l..

The Dalwood 3 Hills event, taking place in 2026, offers participants a choice of three challenging multi-terrain runs through the scenic countryside of Dalwood, Devon. Runners can select from a 10-mile course, a 5km dash, or a 3km fun run, catering to various skill levels and ages. The event promise..

The Dartmoor Winter Traverse is a challenging running and walking event that takes place across the stunning and remote landscapes of Dartmoor. Participants can choose between a 50 km route from South to North or a 30 km option starting from Princetown. The event is designed for both runners and wal..

The St Peter's Way Ultra is a challenging 42-mile running event that traverses the historic countryside of Essex, from Chipping Ongar to the ancient chapel of St Peter-on-the-Wall at Bradwell on Sea. This route, part of an ancient pilgrimage trail dating back to the 7th century, offers scenic views..