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Triathlons in North West in May 2026

Find triathlons in North West in May 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 15 - Sun 17 May 2026
Keswick, Cumbria, UK

Keswick Mountain Festival

  • 5K run 2
  • 10K run
  • Half marathon
  • 50K ultra run
  • Fell run
  • + 12 more races
  • Sun 3 May 2026
Bolton, Greater Manchester, UK

Horwich Triathlon, Multisport & Trail Runs

  • Sprint triathlon
  • Olympic triathlon
  • Sprint duathlon
  • Standard duathlon
  • Sprint aquathlon
  • + 5 more races

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