Half Marathons in Wales
Find your next Half Marathon race in Wales. Browse upcoming road and trail events below, with dates and locations to help you plan.
At 13.1 miles, the half marathon is the UK's favourite endurance goal — a proper challenge that still fits around normal life. Popular halves fill up months ahead, so it's worth planning early.
27 upcoming Half Marathon events in Wales
Bute Park, Cardiff, Cardiff
01 Nov 2026
1.5K, 5K, 10K, Half Marathon
Talybont-on-Usk, Wales
07 Nov 2026
13 Miles, 13 Miles, 26 Miles, 26 Miles, 49 Miles, 49 Miles
Afan Forest Half Marathon & 10K
Bryn Bettws Lodge, Port Talbot, West Glamorgan
14 Nov 2026
10K, Half Marathon
Tretower, Wales
05 Dec 2026
10 Miles, Half Marathon
Serious Santa - A War of Attrition -
Llangynidr, Powys
05 Dec 2026
14K, 10 Miles, Half Marathon
Sea 2 Summit - Offa's Dyke Half/Full/Ultra
Prestatyn, Wales
06 Dec 2026
Half Marathon, Marathon, 55.5K
Aberdare, Wales
12 Dec 2026
Half Marathon, Marathon, 34 Miles
Nightmare before Xmas Trail ½ Marathon
Aberkenfig, Wales
19 Dec 2026
Half Marathon
The Snow Globe Gallop Bobble Hat Run | Wales
Dare Valley Country Park, Aberdare, Mid Glamorgan
20 Dec 2026
7 hours, 3K, 5K, 10K, Half Marathon, Marathon, 30.6 Miles, 50K
Chepstow Running Festival January
Chepstow Racecourse, Chepstow
24 Jan 2027
5K, 10K, Half Marathon
Dare Valley Country Park, Aberdare, Mid Glamorgan
24 Jan 2027
7 hours, 3K, 5K, 10K, Half Marathon, Marathon, 30.6 Miles, 50K
The Cardiff 5K, 10K and Half Marathon Winter Warmer Run
Bute Park, Cardiff, Cardiff
31 Jan 2027
5K, 10K, Half Marathon
Tudweiliog, Wales
28 Feb 2027
Half Marathon
Dare Valley Country Park, Aberdare, Mid Glamorgan
28 Feb 2027
7 hours, 3K, 5K, 10K, Half Marathon, Marathon, 30.6 Miles, 50K
Queensway Stadium, Wrexham
28 Feb 2027
Half Marathon
Bute Park, Cardiff, Cardiff
06 Mar 2027
1.5K, 5K, 10K, Half Marathon
Brechfa, Wales
13 Mar 2027
13 Miles, 26 Miles
Aberdare, Wales
14 Mar 2027
5K, 10K, Half Marathon, Marathon, 50K
Cyfarthfa, Merthyr Tydfil County Borough, Wales
04 Apr 2027
Half Marathon
Bute Park, Cardiff
11 Apr 2027
5K, 10K, Half Marathon, Marathon
Found 27 running events
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