Trail Running Calendar United Kingdom 2026-2027
Explore the best trail runs in United Kingdom for 2026-2027! Our updated list features 2078 exciting trail runs across the country. Find your next trail run in United Kingdom below and join the trail community at these great events! Search for a location or view races near London, Birmingham, Glasgow, Liverpool, Scotland or Wales.
September 2026
Part of the Wirral Multi-Terrain League, Harrison Drive is a midweek multi-terrain race in Wallasey with senior distances around 6.5 to 8 km and junior races of about 2 miles.
A trail 5 km race around Clowbridge Reservoir in Burnley, the third of a three-race autumn series on 3, 10 and 17 September 2026, open to age 11 and over.
A guided 10 km night-time trail run from Milngavie exploring local paths by head torch with a qualified guide; trail shoes and a head torch are required.
A multi distance walking and running event based in Hathersage with routes from 25 km to 100 miles. Teams and qualified solo entrants can self navigate or join led groups with professional Mountain Leaders.
Coastal trail races in Abersoch on the Llŷn Peninsula offering 2K, 10K and 20K routes that start and finish on the beach with medals, drink stations and chip timing.
Seven hour Time Challenge along the River Thames in Staines offering lap based distances from 3km to ultra, with medals, pins, aid stations and goody bags.
Timed multi-lap event at Hardy Farm with 5.3 km out and back laps, a seven hour limit, a Lucky Dip of classic medals and support for Breakthrough Type 1 Diabetes Research.
A roughly 170 mile nonstop loop of London with strict checkpoint cutoffs, minimal support, and limited entry of 25 to 30 places.
A relaxed 5 km trail run at Rougham Estate with post-run burritos, live music and free onsite parking; age 16+ and organised by RunVibes on 18 September 2026.
Trail ultra over the Yorkshire Three Peaks from Hawes with 70 km and optional 100 km distance options, on-course support, GPX files and night resting at HQ.
A 50 km mountain trail race from Hawes Market House around Pen-y-Ghent with 1280 m ascent, on-course aid, GPX navigation files and places limited to 50.
Charity trail festival in Huddersfield with 50 mile, 50 km, 27 km and 10 km routes across Yorkshire moorland and reservoir trails.
A 12 hour Backyard Ultra on a 4.2 mile loop near Crickhowell in the Black Mountains. The final lap is run in reverse as a sprint to decide male and female winners; medals are awarded for 32 miles or more.
Multi-lap triathlon in Llanberis with lake swims in Llyn Padarn, multiple 28 mile bike laps and a mountain run up and down Yr Wyddfa.
A single 50 mile loop through the Chiltern Hills with 5,600 ft of climb, five aid stations, full medical support and a 13 hour cut off.
Test your endurance in the Wyre Forest with this hourly loop challenge where runners complete 6.7 km laps until only the Lone Wolf remains.
A 40 mile ultramarathon around the Peak District starting and finishing in Buxton, following trails and roads through Goyt Valley, Mam Tor, Cave Dale and the Monsal Trail. The 40th anniversary edition is scheduled for 19 September 2026.
A multi distance out and back trail event at Suffolk Running Centre on 19 September 2026 offering 5k to ultra options, aid stations every 10 km and a seven hour cut off.
Canal side chip timed races from 10k to ultra at Rodley Cricket Club on 19 September 2026 with feed stations, marshals and downloadable GPX routes.
A single-stage 102 mile trail race along the Cotswold Way from Chipping Campden to Bath with a 32 hour time limit and on-course support.