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.
Search by month
Search by place
London
South East
South West
East of England
East Midlands
West Midlands
Yorkshire
North East
North West
Scotland
Wales
Northern Ireland
Jersey
Mountain marathons in 2025
Featured events are listed below - select a month/region or the map view to see all events.

- Sat 3 - Mon 5 May
- £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

- Fri 26 - Sun 28 Sep
- £65-£210
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 11 Oct
- £130-£160
Lakes in a Day
On foot from the very top of the Lake District to the very bottom via the stunning Helvellyn Ridge and the western shoreline of Lake Windermere. Not easy but certainly spectacular!
- 50 miles trail running
- Sat 7 Jun
- £65
- Entries close soon
Midnight Mountain Marathon | Marathon
A unique Trail Marathon and Half Marathon on the Brecon Beacons, Wales.
- 26.2 miles trail running + 4150 ft ascent
- Sat 14 Jun
- £70
Black Mountains 50 & 32 Mile Ultra, Marathon & Half Marathon | Marathon
Limitless Trails are very excited to be offering another Ultramarathons and Marathon & Half Marathon in the beautiful Black Mountains, deep in the heart of the Brecon Beacons National Park.
- 27 miles trail running + 5505 ft ascent
- Sat 21 Jun
- £42-£47
Aabenraa Mountain Marathon | Marathon
Welcome to Aabenraa Mountain Marathon 2025 - the race with room for big and small.
- 42.2 km road running
- Sat 28 - Sun 29 Jun
- £115-£123
Fjallmaraton Gastronomi 42K
Sweden's most Laidback Fjällmaraton
- Mountain marathon 2
- Sun 29 Jun
- £56-£58
Blencathra Marathon
A true Mountain Marathon taking in some of the most stunning Northern Fells
- 26.5 miles fell running
- Sat 2 Aug
- £111-£119
Kia Fjällmaraton 45K
It’s time for the 21st edition of Sweden’s most authentic and prestigious mountain marathon.
- 45 km trail running
Mountain marathons near you
Select your location for mountain marathons in your area.