Mountain marathons in the UK
Usually held over two days and requiring good orienteering skills, a mountain marathon is far removed from the regular road version. These events will see you take on rough terrain in dramatic locations, carrying your overnight kit with you. Prepare yourself for a challenge! Select your location for mountain marathons in your area or scroll down to see events coming up.
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Mountain marathons in 2025/2026
Featured events are listed below - select a month/region or the map view to see all events.
- Fri 25 - Sun 27 Sep 2026
- £57.50-£185
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!
- Trail run
- Ultra run 3
- Sat 2 - Mon 4 May 2026
- £250-£300
SCARPA Great Lakeland 3Day
Enjoy three days of glorious Lake District fell routes, a truly chilled-out weekend and all logistics taken care of as you hike, run, camp and socialise.
- 3 days fell running
- Sat 6 Jun 2026
- £65
Midnight Mountain Marathon | Marathon
A unique trail marathon on the Brecon Beacons, Wales.
- 26.2 miles trail running + 4150 ft ascent
- Sat 11 Jul 2026
- £70
Black Mountains 50 & 32 Mile Ultra, Marathon & Half Marathon | Marathon
Limitless Trails are very excited to be offering Ultramarathons, Marathon & a Half Marathon in the beautiful Black Mountains, deep in the heart of the Brecon Beacons National Park.
- 27 miles trail running + 5505 ft ascent
Mountain marathons near you
Select your location for mountain marathons in your area.