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Running Calendar near Colwyn Bay 2025-2026

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Explore the top running races near Colwyn Bay for 2025-2026! We've gathered 50 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons
September 2026
Sep
5-7
Sa - Mo

Yr Wyddfa Ultra 100

Trail Run 102 mi
Sep
5
Saturday

Yr Wyddfa Ultra 50

Trail Run 45 mi
Sep
6
Sunday

Caernarfon Half Marathon

Half Marathon
Sep
7-12
Mo - Sa

Montane Dragon's Back Race

Trail Run 380 km
Sep
12
Saturday

Welsh 3000’s Ultra Run

Trail Run 50 km
Sep
19-22
Sa - Tu

The Brutal Extreme Triathlons

Trail Run
Sep
27
Sunday

Superfeet Sandman Triathlon & Duathlon

Triathlon
October 2026
Oct
3
Saturday

Town to Tower 10K

Trail Run 10 km
Oct
4
Sunday

Bangor City Half Marathon

10 km 13 mi
Oct
18
Sunday

Brenig Way 50K Trail Race

Trail Run 50 km
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