Trail Running Calendar United Kingdom 2026-2027

A multi-day outdoor festival in Hope Cove, Devon combining coastal trail races from 5k to ultra, swim runs and a sea swim, with camping, family activities, forest school, live music and speakers.

A 42 km multi island marathon across four islands with boat transfers and ferry transitions that consider tides, finishing with 5 km on St Mary’s. The race is self-sufficient, requires starting with 3 litres of water and is limited to 150 p..

A multi-terrain off-road race of about 4 miles in Shotton on 4 September 2026, with pre-entry fees (£10, £8 affiliated), prize categories by age, a minimum age of 17, and a 200-person entry limit.

A scenic mixed terrain race along the Thames at Remenham Farm on 5 September 2026, offering a half marathon, 10K and junior race. The event includes chip timed results, a themed medal, marked course and an event village with food and photos..

A 10 km trail race on 5 September 2026 around Malham Show Field, passing Malham Cove, Malham Tarn and Weets Top, with on course drinks, a post race meal, merchandise, prizes and free car parking.

A guided 30 mile trail ultra from Knoll Beach, Swanage, tracing the Jurassic Coast and Isle of Purbeck with notable stops at Corfe Castle, Kimmeridge Bay and Old Harry Rocks. Group navigation, kit list and car parking provided; cost £45.

A 30 mile ultra around the Rhymney Valley Ridgeway Walk with about 4,250 ft of ascent, mostly on trails and passing Mynydd Machen. The route starts and finishes at Parc Penalta and features two fully manned checkpoints.

A flat out and back trail run from Hornsea along the Trans Pennine Trail offering multiple distances, marshals, and feed stations every three miles. Finishers receive a bespoke medal and post-race treats.

A charity trail running festival in the Colne Valley with 50 mile, 50km, 27km and 10km routes, waymarked moorland trails, stocked feed stations, mandatory kit for ultras, and an event village with family activities.

A supported trail event along the South Downs Way from Eastbourne to Arundel with 100 km, 50 km and 25 km options, covered rest stops, GPS route marking and camping for multi day participants.

Two linked fell races in Hayfield on 5 September 2026 offer a full 24.5 km AL route and a shorter 16 km BM option. A single entry covers both races, the field is capped at 200 and entries are handled through SiEntries.

A family friendly inflatable obstacle event in Broxburn on Saturday 5 September 2026 with giant inflatables, music zones, a finisher medal and distance options of 2.5 km, 5 km, 10 km or 15 km. Non timed with water midroute and on site vendo..

A five stage, 112 km endurance race around Windermere combining a lake swim, two road bike sections, a mountain summit run to Scafell Pike and a short trail run, with a reported total ascent of 6,916 ft.

A 102 mile self-navigation ultramarathon in Snowdonia Eryri National Park on 5 September 2026 with live GPS tracking, 11 checkpoints, mandatory mountain kit and strict qualifying criteria. Entry is limited to 150 places and has a 42 hour cu..

Trail running through Kielder Forest from Kielder Castle, marking the forest centenary with distances from 5 km to 52 km. Camping is available and outposts provide snacks while runners are asked to use reusable cups.

A mountain navigation ultramarathon in Snowdonia on 5 September 2026, listed as 45 miles with about 2800 m ascent. The race uses live GPS tracking, has five staffed checkpoints with medical cover, and requires mandatory kit and prior mounta..

A mainly off road 50 km ultra with a 30 km challenge option across Dartmoor from Okehampton to Ivybridge, featuring moorland terrain, notable tors and river crossings, GPX and map support, checkpoints with refreshments and guided leaders.

The Bullock Smithy Hike is a 56-mile circular ultra-hike or run organized by a local Scout group. Held over a weekend in September, it starts and finishes in Hazel Grove.

Teams of eight carry a barrel across the moors in Edale while individuals run the same fell course and children race a shorter route. The event on 5 September 2026 is based at Newfold Farm Campsite and raises funds for local primary schools..

Tackle a scenic 12 or 24 hour loop around Loch Morlich in Glenmore Forest, testing endurance on a supportive, compact course. Limited entries and a runners welfare hub at The Hayfield make for a friendly, focused event.