Trail Running Calendar United Kingdom 2026-2027

A guided mountain run in Snowdonia on 12 September 2026 visiting all 15 Welsh 3,000 ft peaks across about 30 miles and 4,000 m of ascent. This non competitive challenge includes experienced guides, transport and food stations.

Take on a 50 km ultramarathon along the Boudicca Way from Diss to Trowse in Norwich, enjoying scenic Norfolk trails and checkpoints. Limited to 250 entries, with race support, a unique medal and a donation to Norfolk Trails.

Scenic reservoir views and rolling wooded trails await at Bewl Water Autumn near Lamberhurst, Kent. Choose 10 km, half marathon, marathon or 50 km ultra on well marked routes loved by runners and rated among the UK's top courses.

Run around Lake Windermere in this scenic 47 mile trail ultra with a 24 hour limit, fully way marked and supported by five well stocked aid stations. Finishers receive a locally sourced meal and medal, and entries are currently full.

Take on the Leeds Country Way In a Day, a scenic 100 km loop around Leeds through trails, villages and parks. The waymarked route with checkpoints and aid along the way makes for a rewarding ultrarunning challenge for adventurous runners.

Take on the Thames Path Ultra Challenge, a supported multi distance festival along the scenic Thames towpath from Putney to Henley with options from 10K to the full 100 km. Choose one or two day routes and enjoy riverside views, rest stops..

Test your legs on the Dartmoor Volcano Race, a scenic 10.5 mile trail that climbs to Ryder's Hill and winds past the Red Lake Volcano. Rugged moorland, river crossings and sweeping views make this a bold and memorable challenge.

Ultra X England brings rugged multi distance trail racing to the Peak District from Edale on 12 and 13 September 2026. Choose from short to ultra distances, enjoy fully marked routes, stocked aid stations and epic scenery.

Run the Suffolk Coastal Path 50K on 12 September 2026, a point to point ultra from Lowestoft to Aldeburgh that winds along scenic coastal trails, heath and marsh. With modest climbs, four aid stations and UTMB World Series index status, it..

Run the scenic River Ayr Way, a 44 mile source to sea trail through wildlife rich valleys and historic sites. Every September the River Ayr Way Challenge invites runners to tackle a 40 mile ultra for a memorable weekend adventure.

Tackle a 20 mile off road endurance route across the Peak District on 12 September 2026, navigating by map and compass and enjoying stocked checkpoints along the way. This challenging fundraiser supports Edale Mountain Rescue Team.

Challenge coastal ridges and rolling hills at the Isle of Wight Fell Race Series in Ventnor on 12 and 13 September 2026. Three scenic races from a short St Boniface dash to a 21 km Wroxall Round make this weekend a must for fell runners.

Run 10k, 21k or 42k through the Surrey Hills on 12 September 2026, starting at Shere Recreation Ground. Scenic, multi terrain routes with big views, chip timed results, on course support and a lively event village for finishers and fans.

Tackle a classic Lake District fell run around Helvellyn and the Dodds, a rugged 18.5 km loop with 1450 m of climbing and stunning mountain views. Open to adults with pre entry or day entry for a proper fell challenge.

Ventnor Horseshoe on Sat 12 Sep 2026 offers a scenic but testing 12 km fell course around Ventnor with 443 m of climb. Part of the Isle of Wight Fell Series, it is perfect for runners seeking a tough coastal hill challenge.

Start the IOW Fell Running Series with St Boniface Fell in Ventnor on Sat 12 Sep 2026, a punchy 3.9 km race with 235 m of climbing across scenic Isle of Wight terrain. Pre entry or on the day entries welcome.

The Old Crown Round on 12 Sep 2026 is a tough 36 km Lake District fell race with 2200 m of climbing across pathless open fell, so navigation skills are essential. Pre entry via SiEntries is required and teams are welcome.

Take on Lilla’s Revenge, a 10 mile self navigated trail run across the North York Moors on 13 September 2026. Tackle moorland climbs with sweeping coastal views toward Whitby and Scarborough and earn a bespoke finisher medal.

Join the Farnham Pilgrim Half or Marathon on 13 September 2026 for scenic runs through the Surrey Hills on mainly off road trails. With frequent aid stations, free parking and strong marshal support, entries are limited so book early.

Tackle the 33rd Yorkshireman Off Road Marathon or Half through Bronte Country moorland, trails and woods for a scenic but tough challenge. Volunteer run and charity minded, with chip timing and well stocked feed stations.