Trail Running Calendar United Kingdom 2026-2027
Explore the best trail runs in United Kingdom for 2026-2027! Our updated list features 2126 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
A six day 380 km multi stage ultra across the spine of Wales from Conwy Castle to Cardiff Castle with mandatory maps, trackers and overnight camps.
Enjoy a Peak District fell race at Oxspring Playing Field, a punchy 6.2 km course with 190 m of ascent through scenic terrain. On the day entries welcome for a modest fee and the event is part of an eight race series.
Guided 10 km trail run around Silent Pool near Guildford, following parts of the North Downs Way and Netley Heath forest. Sessions run at dusk or at night with headtorches in a led group and a recommended pace of about 10 min per mile.
Midweek multi terrain race at Royden Park on 8 September 2026, part of a four-race series with senior distances 6.5K to 8K and junior races of about 2 miles.
Evening 10 km trail run at Trifarm on mostly off road public footpaths and bridleways, part of a four race 2026 series with GPX route and on site parking.
Three evening 5K races around Leith Links, Fettes and Inverleith Park in Edinburgh with chip timing, medals and category prizes; single and series entry options available.
Measured off road 5 kilometre run at Westley Heights Country Park, part of Pitsea RCs seven race Crown to Crown 2026 series with on course safety cover and varied entry rates.
A trail 5 km race around Clowbridge Reservoir, part of a three-race autumn series open to runners aged 11 and over.
A four mile evening trail run along the Wyre estuary on 10 September 2026 with an aid station, a medal, a 187 ml bottle of wine and cheese and crackers for finishers.
A social 8 km trail run from Milngavie Train Station exploring parts of the Clyde Coastal Path and West Highland Way, led by a qualified guide.
A timed, lap-based Friday run along the Thames with flexible rock up and run starts; the £10 affiliated entry is donated to Rays of Sunshine and participants receive a double-sided charity medal.
A team endurance event across the South Downs covering 100 km in under 30 hours, with teams of four or a relay option and support crews meeting at checkpoints.
A 24 hour loop race at OnePlanet Adventure in Llandegla where individuals or two person teams complete as many 3 mile laps as possible on forest trails.
A hill race on 11 September 2026 around Bennachie Visitor Centre, roughly 10km with 377m of ascent and prizes for the top three men and women.
A 100 mile ultra on runnable trails through Sherwood Forest and towpaths, with two forest loops, well stocked aid stations, a 30 hour cutoff, drop bag points and pacers allowed from about mile 51.
Multi-duration trail event in Tehidy Woods on 12 September 2026 offering 3, 6, 9 and 12 hour loop races on a marked 4 mile circuit; entries open.
Guided mountain run across the 15 Welsh 3,000 ft peaks in Snowdonia, about 30 miles with 4,000 m ascent, guided support and food stations; entry from age 18.
Beginner friendly 50 km ultramarathon on the Boudicca Way from Diss to Norwich, limited to 250 entries with a 10 hour time limit and checkpoint support.
A bi-annual trail race around Bewl Water in Kent offering 10 km, half marathon, marathon and 50 km ultra on wooded trails and quiet lanes.
A fully waymarked 47 mile trail around Lake Windermere with GPS navigation, five aid stations and a 24 hour time limit, open to runners and walkers.