Colwyn Bay
Trail Running Calendar near Colwyn Bay 2026-2027
Explore the top trail runs near Colwyn Bay for 2026-2027! We've gathered 60 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
September 2026
Multi-distance triathlons around Llyn Padarn with a mountain section on Snowdon. Solo and team entries available, with mandatory support crew for double and triple distances and compulsory safety kit for all athletes.
Ras Pedol Peris is an AL Welsh fell race in Eryri near Llanberis with full 28 km and half 14 km routes over several mountain summits on 19 September 2026.
A multi day 286 km mountain race across Wales with solo and team entries, five indoor checkpoints and a 108 hours time limit.
A fully waymarked, supported sea to summit ultramarathon from Caernarfon Castle to Bron y Feds Uchaf covering 29 miles and 5600 ft of ascent.
October 2026
Uphill only 10 km from Ruthin to Moel Famau finishing above 550 m, featuring varied trails, a steep final gully and an optional bus return to Ruthin.
Flat, chip timed 5 mile out and back along the Wirral Way with gravel underfoot, views over the Dee Estuary and on site facilities in Thurstaston on 18 October 2026.
A guided 13 km loop around Llyn Trawsfynydd in Southern Snowdonia on runnable trails with limited ascent and regular regrouping stops.
November 2026
Trail running in Newborough Forest and Llanddwyn Island with 10k and half marathon options, chip timing and on course support.
A trail race on 1 November 2026 around Moel Famau with 17 km and 10 km routes, on‑site registration, mandatory kit and a focus on reduced single use plastic.
A forest run at Llandegla Forest Visitor Centre covering 6.4 km with 229 m of ascent. The event includes a safety briefing and requires a whistle, waterproof top, hat, gloves and a headtorch with at least two hours of good lighting; entry £5 EOD.
A 15.7 km fell race with 950 m ascent around the Clwydian Hills based at Cilcain Village Hall; navigation skills and prior experience are required.
Held in Porth Penrhyn, Bangor on 14-15 November 2026, Slate Trail Ultra offers two trail races of 147 km and 80 km along the Snowdonia Slate Trail with substantial elevation gain and organised aid stations.
A guided 55km route on Anglesey taking in three of the island's highest tops, with over 2000 m ascent, checkpoint support and a wooden finishers medal.
A 16.1 km fell race around Penmaenmawr with about 594 m of ascent, based at Capelulo Village Hall. The route is partially marked and requires navigation; entry is online with a £12 fee.
A trail half marathon at Loggerheads Country Park with solo and teams of three relay options, varied terrain and feed stations each 7 km lap.
A guided 10 km trail run from the Sychnant Pass summit featuring runnable terrain, regular stops and a steady group pace on an upland route.
December 2026
Night trail of 6.4 km with 229 m climb around Llandegla Forest, held under BS partially marked conditions with a compulsory safety briefing and kit including a headtorch with two hours light. Entry £5 on the day.