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Half Marathon Calendar near Llandudno 2025-2026

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Explore the top half marathons near Llandudno for 2025-2026! We've gathered 10 exciting races in the area. Check out our detailed list below to find your next local race.

September 2025
Sep
7
Sunday

Caernarfon Half Marathon

21 km
October 2025
Oct
5
Sunday

Bangor City Half Marathon

10 km 21 km
November 2025
Nov
9
Sunday

Anglesey Trail Half Marathon

Trail Run 10 km 21 km
Nov
16
Sunday

Conwy Half Marathon

13 mi
December 2025
Dec
7
Sunday

Sea 2 Summit - Offa's Dyke Half/Full/Ultra

Trail Run 13 mi 26 mi 33 mi
March 2026
Mar
1
Sunday

Jones O Gymru Anglesey Half Marathon

10 km 13 mi
Mar
29
Sunday

Llandudno Half Marathon

10 mi 21 km
April 2026
Apr
12
Sunday

Summit 2 Sea - The Offa's Dyke Half Marathon

Trail Run 13 mi
May 2026
May
10
Sunday

Snowdonia Half Marathon

21 km
July 2026
Jul
11
Saturday

Xterra Snowdonia Trail Marathon Eryri

Trail Run 10 km 13 mi 27 mi 57 km
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