Marathons in Wales
Find marathons in Wales in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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- Sat 24 Jan
- £33-£35
Spice Up Your Run | Wales | Marathon
If you're looking to spice up your run or you need some running like you've never needed running before, then this is the event for you! Come and celebrate all things Spice Girls!
- 26.2 miles trail running + 2028 ft ascent
- Sun 1 Mar
- £16-£35
St Davids Day Dragon Run
Come and get involved in the second St David's Day Dragon Run in the beautiful Dare Valley Country Park in, of course, Wales!
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 15 Mar
- £18-£38
The Dashing Dog Charity Run | Wales
Come and join the Dashing Dog Charity run in the picturesque Dare Valley Country Park. Not only is the scenery beautiful but you will earn one of these awesome medals!
- Road run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 26 Apr
- FREE-£35
The Nearly But Not Quite London Marathon | Wales
Didn't get a ballot entry into The London Marathon? Don't panic, come and experience this event instead and earn a fantastic London-themed medal!
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 30 May
- £18-£35
Rocky at 50 Run | Wales
Come and celebrate 50 years since the release of the iconic Rocky film! Have you got the Eye of The Tiger, the guts to get the glory and the will to rise up to the challenge and run?
- Road run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 12 Jul
- £59.99-£64.99
Snowdonia Trail Marathon Eryri
The most epic trail marathon in Wales! Iconic and spectacular trails, circumnavigating then climbing the slopes of Wales' highest peak - Yr Wyddfa (Snowdon).
- 27.3 miles trail running + 1685 m ascent
- Sat 25 Jul
- £16-£35
Ooops I Ran It Again | Wales
Who hasn't completed a race, sworn they will never run again and then booked onto another one the following day?!
- Road run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 8 Mar
Great Welsh Marathon Events | Full Marathon
- 26.2 miles road running + 363 ft ascent
- Sat 14 Mar
Brechfa Trail Races: Half Marathon & Marathon | Marathon
- 26 miles trail running
- Sat 25 Apr
EnduranceLife - Pembrokeshire | Marathon
- 27.3 miles trail running + 3067 ft ascent
- Sat 9 May
Radyr Trail Races: Half Marathon and Marathon | Marathon
- 26.2 miles trail running
- Sun 20 Dec
The Snow Globe Gallop Bobble Hat Run - Wales | Marathon
- 26.2 miles trail running