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Trail Running Calendar near Caernarfon 2025-2026

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Monthly updates for Caernarfon

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Explore the top trail runs near Caernarfon for 2025-2026! We've gathered 29 exciting races in the area. Check out our detailed list below to find your next local race.

January 2026
Jan
24
Sa

Tour De Yr Wyddfa

Trail Run 22 km 44 km
March 2026
Mar
1
Su

North Wales Pilgrims Half Marathon

Trail Run 13 mi
Mar
7
Sa

Pipe Dream Dolgarrog

Trail Run 4 mi 7 km
Mar
14
Sa

Beast Of The Blacks

Trail Run 10 mi 20 mi 40 mi
Mar
28
Sa

Paddy Buckley Recce Fun Run - Glyderau

Trail Run 15 km
Mar
29
Su

Paddy Buckley Recce - Carneddau

Trail Run 16 km
April 2026
Apr
12
Su

Ogwen | Yr Helgi Du

Trail Run 15 km 25 km 40 km
Apr
19
Su

Trawsfynydd Lake Race

Trail Run 9 mi
May 2026
May
2
Sa

Welsh 3000’s Ultra Run

Trail Run 50 km
May
3
Su

Paddy Buckley Recce - Moelwyns

Trail Run 35 km
May
10
Su

Paddy Buckley Recce - Hebogs

Trail Run 15 km
May
15-17
Fr - Su

Ultra-Trail Snowdonia by Utmb

Trail Run 25 km 56 km 104 km 164 km
June 2026
Jun
13
Sa

Welsh 3000’s Ultra Run

Trail Run 50 km
Jun
14
Su

Paddy Buckley Recce Fun Run - Snowdon

Trail Run 20 km
Jun
20
Sa

GB Ultras - Ultra Wales 50

Trail Run 51 mi
July 2026
Jul
11-12
Sa - Su

Snowdonia Trail Marathon Eryri

Trail Run 10 km 13 mi 27 mi 57 km
Jul
11
Sa

Snowdon24

Trail Run 50 km 100 km 100 mi
Jul
18
Sa

Welsh 3000 Challenge (14 Peaks)

Trail Run 50 km
Jul
21-23
Tu - Th

Paddy Buckley Round

Trail Run 40 km 100 km
August 2026
Aug
15
Sa

Skyrun Eryri / Snowdon Skyrace

Trail Run 16 km 27 km 38 km 55 km