Marathons in Wales in Summer
Find marathons in Wales in Summer - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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- 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 18 Jul
- £89
Gower Peninsula Ultra Challenge | Marathon 42K Loop
A classic distance from Penrice Castle on a loop featuring Oxwich Bay and its nature reserve, the stunning Wales Coast Path, picnic at Rhossili, the Gower Way then a celebration and medal!
- 42 km multi terrain running + 900 m ascent
- Sat 25 Jul
- £14-£34
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
- Sat 15 Aug
- £44-£45
Run to the Castle Ultra | Marathon
Take on a stunning marathon journey along the Welsh coastline, from Aberdyfi to finish in style in Barmouth. It's an unforgettable challenge packed with scenery, heritage, and adventure.
- 26.2 miles multi terrain running
- Sat 22 Aug
- £22-£34
Great British Bake Run | Wales | Marathon
Who doesn't like cake?! The Great British Bake Run is back for another year with a totally unique baking competition with prizes on the day too!
- 26.2 miles road running