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Trail Running Calendar near Caernarfon 2025-2026

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Explore the top trail runs near Caernarfon for 2025-2026! We've gathered 21 exciting races in the area. Check out our detailed list below to find your next local race.

March 2025
Mar
8
Saturday

Beast Of The Blacks

Trail Run 10 mi 20 mi 40 mi
April 2025
Apr
12
Saturday

Paddy Buckley Recce - Glyderau

Trail Run 15 km
Apr
13
Sunday

Paddy Buckley Recce - Carneddau

Trail Run 16 km
Apr
13
Sunday

Trawsfynydd Lake Race

Trail Run 8 mi
Apr
26
Saturday

Paddy Buckley Recce - Moelwyns

Trail Run 35 km
Apr
27
Sunday

Paddy Buckley Recce - Hebogs

Trail Run 15 km
May 2025
May
3
Saturday

Welsh 3000’s Ultra Run

Trail Run 50 km
May
4
Sunday

Paddy Buckley Recce - Snowdon Range

Trail Run 20 km
May
16-18
Fr - Su

Ultra-Trail Snowdonia by Utmb

Trail Run 25 km 50 km 100 km 168 km
June 2025
Jun
7
Saturday

Snowdonia in a Day

Trail Run 65 km
Jun
14
Saturday

Black Mountains 50

Trail Run 21 km 42 km 32 mi 50 mi
Jun
21
Saturday

Skyrun Eryri / Snowdon Skyrace

Trail Run 16 km 27 km 38 km 52 km
Jun
21
Saturday

GB Ultras - Ultra Wales 50

Trail Run 50 mi
Jun
28
Saturday

Welsh 3000’s Ultra Run

Trail Run 50 km
July 2025
Jul
4-5
Fr - Sa

Pen Llyn Ultra Summer Edition

Trail Run 50 mi 100 mi
Jul
12
Saturday

Xterra Snowdonia Trail Marathon Eryri

Trail Run 10 km 13 mi 26 mi 57 km
Jul
12
Saturday

Lt-100 + Lt-50 Mile Ultras

Trail Run 50 mi 100 mi
Jul
12-13
Sa - Su

Snowdon24

Trail Run 50 km 100 km 100 mi
Jul
19
Saturday

Welsh 3000 Challenge (14 Peaks)

Trail Run 50 km 20 hr
Jul
22-24
Tu - Th

Paddy Buckley Round

Trail Run 100 km
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