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Half Ironman (middle distance) in Bedford

Find half ironman (middle distance) in Bedford in 2025/2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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Conquer the ATW Centurion 100km Triathlon at Box End Lake — a thrilling endurance challenge featuring pristine open water, fast bike laps, scenic trails and unbeatable support.
  • Sun 24 May 2026
  • £117-£137
Bedford, Bedfordshire, UK

ATW Box End Centurion 100km Triathlon

Conquer the ATW Centurion 100km Triathlon at Box End Lake — a thrilling endurance challenge featuring pristine open water, fast bike laps, scenic trails and unbeatable support.

  • Enter online
  • Undulating
  • Age 18 & over
  • 2250 m lake swimming
  • 81 km road cycling + 1674 ft ascent
  • 20 km trail running + 340 ft ascent
  • Sun 5 Jul 2026
Bedford, Bedfordshire, UK

ATW Odyssey At Box End Triathlon | Half Distance Triathlon

  • 2250 m lake swimming
  • 96 km road cycling + 1732 ft ascent
  • 20 km road running + 351 ft ascent

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