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Running Calendar near Porthmadog 2026-2027

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Explore the top running races near Porthmadog for 2026-2027! We've gathered 63 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons
August 2026
Aug
15
Sa

Skyrun Eryri / Snowdon Skyrace

Trail Run 16 km 27 km 38 km 55 km
Aug
15
Sa

Run to the Castle Ultra

26 mi 42 mi
Aug
15
Sa

Race The Train

Trail Run 4 mi 5 mi 10 km 14 mi
Aug
21
Fr

Tryfan Downhill Dash

Trail Run
Aug
30
Su

Ras Cnicht

Trail Run 7 km 5 mi
Monthly updates for Porthmadog

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Aug
30
Su

Gladstone 9 Fell Race

Trail Run 9 mi
September 2026
Sep
4-6
Fr - Su

Ring O' Fire

Trail Run 50 mi 130 mi
Sep
5
Sa

Yr Wyddfa Ultra

Trail Run
Sep
5
Sa

RunThrough Snowdonia Sea2Sky

Trail Run 12 km 25 km 54 km
Sep
6
Su

Caernarfon Half Marathon

Half Marathon
Sep
6
Su

Rawson Group Triathlon y Bala

Triathlon Sprint 750 m 19.3 5 km Olympic 1500 m 37 10 km Middle distance 1900 m 87.3 19 km
Sep
7-12
Mo - Sa

Dragon's Back Race

Trail Run 380 km
Sep
12
Sa

Welsh 3000’s Ultra Run

Trail Run 50 km
Sep
12
Sa

Ras Tri Chopa yr Eifl

Trail Run 8 km
Sep
13
Su

Dyfi Aquathlon

Aquathlon Full distance 13 13 km
Sep
18-19
Fr - Sa

Abersoch Coast Trail

Trail Run 10 km 20 km
Sep
19-22
Sa - Tu

The Brutal Extreme Triathlons

Trail Run
Sep
19
Sa

Ras Pedol Peris

Trail Run 14 km
Sep
21
Mo

Welsh 3 Peaks Race

Trail Run 286 km
Sep
26
Sa

Yr Wyddfa Sea to Summit

Trail Run 21 mi 47 km
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