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Half Ironman (middle distance) in Yorkshire in September 2025

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Bringing back the Sundowner 70.3 Triathlon! An unforgettable triathlon event at Allerthorpe Lakeland Park in Yorkshire is now back on the race calendar and 100% going ahead!
  • Sat 13 Sep
  • £120-£130
  • Sat 13 Sep
  • £120-£130
York, East Yorkshire, UK

Sundowner 70.3 Triathlon

Bringing back the Sundowner 70.3 Triathlon! An unforgettable triathlon event at Allerthorpe Lakeland Park in Yorkshire is now back on the race calendar and 100% going ahead!

  • Chip timing
  • Enter online
  • Flat
  • Age 18 & over
  • 1900 m lake swimming
  • 90 km road cycling + 287 ft ascent
  • 21 km trail running + 17 ft ascent

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