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Mountain marathons in UK
Find mountain marathons in UK in 2025/2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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- Fri 25 - Sun 27 Sep 2026
- £57.50-£185
- Saver offer
Keswick, Cumbria, UK
Altra 13 Valleys
Celebrating the unique valleys of the Lake District which are part of the UNESCO World Heritage Site status, by linking them together with spectacular trail and ultra routes for you to enjoy!
Limited time offer
- Newcomers
- Event village
- Rural
- Mountains
- Sustainability policy
- Age 17 & over
- Trail run
- Ultra run 3
- Sat 10 Oct 2026
- £140-£160
Caldbeck, Cumbria, UK
Lakes in a Day | 50 Miles
On foot from the top of the Lake District to the bottom via the stunning Helvellyn Ridge and the western shoreline of Lake Windermere. Not easy but certainly spectacular.
- Chip timing
- Enter online
- GPS tracking
- Hilly
- Mountainous
- Age 20 & over
- 50 miles trail running + 4000 m ascent
- Sat 6 Jun 2026
Brecon, Powys, UK
Midnight Mountain Marathon | Marathon
- 26.2 miles trail running + 4150 ft ascent
- Sat 11 Jul 2026
Hereford, Herefordshire, UK
Black Mountains 50 & 32 Mile Ultra, Marathon & Half Marathon | Marathon
- 27 miles trail running + 5505 ft ascent