Wales close

Half Marathon calendar Wales 2024-2025

Header image

Explore the best half marathons in Wales for 2024-2025! Our updated list features 35 exciting races across the region. Find your next race in Wales below and join the running community at these great events!

December 2024
Dec
7
Saturday

Secret Santa Tinsel Half Marathon du Mulled Wine

Trail Run 12 km 16 km 21 km
Dec
7
Saturday

Secret Santa - Llanbedr

Trail Run 12 km 10 mi 13 mi
Dec
8
Sunday

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

Trail Run 21 km 42 km 51 km
Dec
14
Saturday

Winter Celtic Trail Races

Trail Run 13 mi 26 mi 34 mi
Dec
21
Saturday

Nightmare before Xmas Trail ½ Marathon

Trail Run 21 km
February 2025
Feb
8
Saturday

The Cardiff Half Marathon Winter Warmer Run

5 km 10 km 21 km
Feb
16
Sunday

Llanelli Running Events

10 km 21 km
Feb
22
Saturday

Saturn 7 Hour Time Challenge - Aberdare

5 km 7 km ... 42 km 50 km
Feb
22
Saturday

Afan Forest Winter Half Marathon

10 km 21 km
March 2025
Mar
1
Saturday

St David's Day Run

5 km 10 km 21 km
Mar
1
Saturday

Saturn 7 Hour Time Challenge - Aberdare

5 km 7 km ... 42 km 50 km
Mar
2
Sunday

Jones O Gymru Anglesey Half Marathon

10 km 13 mi
Mar
2
Sunday

City Of Newport Half Marathon

13 mi
Mar
16
Sunday

Great Welsh Marathon Events

21 km 42 km
Mar
16
Sunday

Merthyr Half Marathon

13 mi
Mar
22
Saturday

Saturn 7 Hour Time Challenge - Aberdare

5 km 7 km ... 42 km 50 km
Mar
22
Saturday

Nant yr Arian Silver Trail

Trail Run 2 mi 10 km 21 km
April 2025
Apr
13
Sunday

The Pendine Sands Races

Trail Run 5 km 10 km 21 km 42 km
Apr
13
Sunday

Newport Wales Marathon

10 km 13 mi 26 mi
Apr
13
Sunday

Summit 2 Sea - The Offa's Dyke Half Marathon

Trail Run 13 mi