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Mountain marathons in North West in September 2026

Find mountain marathons in North West in September 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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This epic mountain adventure takes you from sea level to the summit of Britain's three home-nation high points. Take on the National 3 Peaks, Rat Race style.
  • Sat 5 Sep - Sat 10 Oct
  • £195
Seascale, Lake District National Park, UK

UK Sea to Summit 3 Peaks Trilogy

This epic mountain adventure takes you from sea level to the summit of Britain's three home-nation high points. Take on the National 3 Peaks, Rat Race style.

  • Fell run 3
  • Rural
  • Mountains
  • Age 18 & over
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!
  • Fri 25 - Sun 27 Sep
  • £70-£230
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!

  • Trail run
  • Ultra run 3
  • Beginner-friendly
  • Event village
  • Rural
  • Mountains
  • Sustainability policy
  • Age 17 & over

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