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Marathons Found In & Near Cardiff
View all ↓Marathons In & Near Cardiff 2026 - 2027
The most comprehensive list of Marathons in and near Cardiff in 2026 - 2027. Find your perfect race!
Race Calendar: Marathons In & Near Cardiff
The Dashing Dog Charity Run - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sun 15 Mar 26
£20.00 - £39.00
Phoenix South Wales - Cakeathon
Treharris, Mid Glamorgan
Sun 29 Mar 26
£35.00
Phoenix South Wales - Spinning Around
Treharris, Mid Glamorgan
Sat 25 Apr 26
£35.00
Phoenix South Wales - NOT The London Marathon
Cardiff, South Glamorgan
Sun 26 Apr 26
£35.00
The Nearly But Not Quite London Marathon - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sun 26 Apr 26
£18.00 - £35.00
Radyr & Morganstown Half Marathon and Marathon
Cardiff
Sat 09 May 26
£40.00 - £50.00
4.8
Rocky at 50 Run - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sat 30 May 26
£18.00 - £34.00
Phoenix South Wales - Manta Ray Run
Treharris, Mid Glamorgan
Sat 30 May 26
£35.00
Cheddar Gorge Challenge (Marathon, Half, 10km, 6km, Fun Runs)
Bristol, Somerset
Sun 14 Jun 26
£8.10 - £75.60
4.7
Phoenix South Wales - Butterfly Run
Treharris, Mid Glamorgan
Sat 11 Jul 26
£35.00
Phoenix South Wales - Prosecco Run
Pontypridd, Mid Glamorgan
Sun 12 Jul 26
£35.00
Ooops I Ran It Again - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sat 25 Jul 26
£18.00 - £34.00
Phoenix South Wales - Rose Run
Treharris, Mid Glamorgan
Sat 01 Aug 26
£35.00
Phoenix South Wales - Kingfisher Run
Bargoed, Mid Glamorgan
Sun 02 Aug 26
£35.00
Great British Bake Run - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sat 22 Aug 26
£18.00 - £34.00
Phoenix South Wales - Alice in Runderland
Treharris, Mid Glamorgan
Sat 12 Sep 26
£35.00
Phoenix South Wales - Are We There Yet?
Bargoed, Mid Glamorgan
Sun 13 Sep 26
£35.00
Doughnut Dash - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sat 03 Oct 26
£18.00 - £34.00
Scare Bear Run 2026 - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sat 17 Oct 26
£18.00 - £34.00
Phoenix South Wales - Aberfan Memorial Run
Merthyr Tydfil, Mid Glamorgan
Sun 18 Oct 26
£35.00
The Smurf Run - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sat 21 Nov 26
£18.00 - £34.00
Machen Trail Races: Half and Full Marathons
Caerphilly, Mid Glamorgan
Sat 28 Nov 26
£40.00 - £50.00
4.9
Santa Run Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sat 19 Dec 26
£12.94
The Snow Globe Gallop Bobble Hat Run - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sun 20 Dec 26
£26.00 - £40.00
St David's Day Dragon Run 2027
Dare Valley Country Park, Dare, Aberdare, Wales, CF44 7PS
Sun 28 Feb 27
£18.00 - £35.00
Showing 1-25 of 25 results