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Running Calendar near Caernarfon 2026-2027

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Monthly updates for Caernarfon

Get new running races (and updates) in your inbox every month.

Explore the top running races near Caernarfon for 2026-2027! We've gathered 58 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons Fitness Races
November 2026
Nov
15
Su

Conwy Half Marathon

Half Marathon
December 2026
Dec
5
Sa

Llandudno 5K Santa Dash

5 km
February 2027
Feb
28
Su

Lets Run Rhyl

5 mi 10 mi
April 2027
Apr
4
Su

Llandudno Half Marathon

10 mi Half Marathon
Apr
4
Su

Trawsfynydd Multi Terrain 8 Miler

Trail Run 9 mi
Apr
17
Sa

She Ultra

Trail Run 50 km
May 2027
May
2
Su

Race for Life Caernarfon

5 km
May
8
Sa

The ROC Wales

Obstacle Run 12 km 115 km
May
9
Su

Snowdonia Half Marathon

Half Marathon
May
23
Su

Anglesey Bridge 10K

10 km
May
23
Su

Anglesey Half Marathon

10 km 13 mi
June 2027
Jun
5
Sa

Abersoch 10K

3 km 10 km
Jun
5
Sa

Welsh 1000m Short Fell Race

Trail Run
Jun
13
Su

Slateman Triathlon & Duathlon

Triathlon Duathlon
July 2027
Jul
4-9
Su - Fr

MTC Cymrun

35 mi 38 mi ... 50 mi 256 mi
Jul
24
Sa

Ogwen | Yr Helgi Du

Trail Run 15 km 25 km 40 km
July 2028
Jul
4
Tu

MTC Angelystor

38 mi
Jul
5
We

MTC Cerridwen

50 mi
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