Trail Running calendar near Caernarfon 2026-2027
We have found 189 Trailruns within 80 miles of Caernarfon. See below where and when you can find the races.
0 – 100∞ km
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A multi-day running series from 01/06/26 to 06/06/26 organised by Supersonic Race Events, with optional racing, age 16+ entry options, and specific refund and transfer deadlines via Nifty Entries.
A six mile mixed-surface race around Thurstaston in Wirral Country Park, organised by local UKA clubs with on-site registration and prize giving. Entry fees apply and a guide runner option is available.
A midweek fell race at Tyddyn Llwyn Camp Site near Porthmadog, covering 5.9 km with 349 m climb. The AS-classified course is partly waymarked, part of the North Wales Mid Week Series, and includes junior categories.
Deestriders ORGP Race 1 is a multi terrain, approximately four mile race on 4 June 2026 at Care & Repair NE Wales in Shotton. Entry is £10 or £8 for affiliated club members and the field is limited to 200.
A 5k obstacle course in Avenham and Miller Park, Preston, featuring a single lap route across paths and grass with riverside views. Waves start every 15 minutes and the event includes obstacles to climb, crawl and slide.
A short fell race near Mold covering 5.6 km with 366 m of climb on a partially marked route. Day entry is £4 and the minimum age is over 16.
A Category B short fell race in Horwich around Two Lads, listed as 8.4 km (5 miles) with 274 m ascent; registration and presentation are at The Ale House and prizes include a £50 course-record cash award.
A long-standing Green Events race in Llanwrtyd Wells where runners compete directly with horses over mountainous terrain, timed electronically. The event has enforced cut-offs and an escalating jackpot for any runner who beats the first hor..
A guided recce of the Paddy Buckley leg across the Snowdon Range from Beddgelert Forest to Llanberis on 14 June 2026. The 20 km route includes about 1,900 m of ascent and is led in small groups by qualified mountain leaders.
A 19.3 km fell race with 914 m of ascent around Abergwyngregyn, part of the North Wales Series 2026. Entry costs £10 and registration is available online or on the day; navigational skills and mountain experience are recommended.
A five race summer trail series at Wirral Country Park held on the third Tuesday of each month from April to August. Races use a recurring course of about 8K and offer age category prizes, with single race and full series entry options.
A midweek fell race at Tal y Mignedd Campsite in Nantlle Valley featuring a 6.7 km route with 520 m of ascent. The event is part of the North Wales Mid Week Series and includes junior races across multiple age categories.
A midweek memorial trail race around Frodsham Hill organised by Helsby Running Club, covering 8.4 km with 370 m of ascent. The route is marked and marshalled, chip-timed, licensed by the TRA, and open to runners aged 17 and over.
A hill race at Maeshafn covering 7.2km with 458m of ascent. Entry is on the day for £4 and parking is limited.
Rodney's Pillar is a provisional 5.2 km race on 17 June 2026 with 280 m of ascent. Entry is by pre-entry or on the day with fees of £7 pre-entry and £10 on-the-day.
A 200 mile circular ultra from Machynlleth across Mid Wales with a 120 hour limit and about 30,187 feet of ascent. The course uses Glyndwr's Way and Offa's Dyke and offers 10 aid stations, live tracking and a drop-bag service.