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Running Calendar near Llanberis 2026-2027

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Explore the top running races near Llanberis for 2026-2027! We've gathered 68 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons
February 2027
Feb
28
Su

Dydd Gŵyl Dewi Half Marathon

Trail Run Half Marathon
March 2027
Mar
20
Sa

Ras yr Aran

Trail Run 16 km
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
Monthly updates for Llanberis

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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

13 mi
May
9
Su

4 Castles Series

Half Marathon 84 km
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
12
Sa

Barmouth 10K

10 km
Jun
13
Su

Slateman Triathlon & Duathlon

Triathlon Duathlon Sprint 750 m 20.2 5.8 km Olympic 1500 m 49.9 11.7 km Olympic 5.8 49.9 11.7 km Middle distance 1900 m 92.6 23.1 km
Jun
19-20
Sa - Su

GB Ultras - Ultra Wales 50

Trail Run 51 mi
Jun
19
Sa

Abersoch Triathlon

Triathlon JOHNNY ROB RUN SUP RUN 500 m 1 km 500 m Sprint 750 m 20 5 km Olympic 1500 m 40 10 km
Jun
27
Su

Wild Horse Brewing Co. Llandudno Triathlon & Duathlon

Triathlon Sprint 750 m 17.5 5 km Olympic 1500 m 34.75 9.4 km Olympic 5 34.75 9.4 km
July 2027
Jul
4-9
Su - Fr

MTC Cymrun

35 mi 38 mi ... 50 mi 256 mi
Jul
5
Mo

Calon Lân 300

Trail Run 300 mi
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