Altra 13 Valleys Ultra
Altra 13 Valleys Ultra is a multi-day trail running event in the Lake District National Park, held 25 to 27 September 2026 in partnership with the National Park. The event links the 13 valleys recognised in the Lake District UNESCO World Heritage designation and the full 13 Valleys route is available year-round to walkers and runners.
Distances offered:
- 22.4 km, 2 Valleys Trail
- 58.4 km, 5 Valleys Ultra
- 110.3 km, 7 Valleys Ultra
- 184.3 km, 13 Valleys Ultra
Routes combine fell and lake-side trail running with regular check points and feed stations. The longest route lists highest point 800 m+, total ascent about 7000 m and 12 feed stations with a 46.5 hour cut-off. The 110.3 km course lists c. 3800 m ascent, 7 feed stations and a 28 hour cut-off. The 58.4 km course lists c. 2500 m ascent, 3 feed stations, is waymarked and has a 19 hour cut-off. The 22.4 km trail lists c. 500 m ascent, 1 feed station, is waymarked and has an 8 hour cut-off. Several events start and finish in Keswick or at Waterhead, depending on distance.
The event is registered with the International Trail Running Association with up to 6 ITRA points awarded to finishers depending on distance. The 7 Valleys and 13 Valleys races are official Western States qualifiers. Five percent of every entry fee is donated to the Lake District Foundation. Future Valleys provides age-appropriate 2 km and 5 km trail challenges for children and young people in Keswick.