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Half Ironman (middle distance) in Cambridgeshire

Find half ironman (middle distance) in Cambridgeshire in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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Take on a superb middle distance triathlon at the fantastic Grafham Water. Suitable for all abilites, with a challenging, but achievable course, and custom medal at the finish line.
  • Sun 7 Jun
  • £166-£187
Huntingdon, Cambridgeshire, UK

ATW Grafman Middle Distance Triathlon

Take on a superb middle distance triathlon at the fantastic Grafham Water. Suitable for all abilites, with a challenging, but achievable course, and custom medal at the finish line.

  • 1900 m lake swimming
  • 90 km road cycling + 1680 ft ascent
  • 21 km multi terrain running
  • Chip timing
  • Enter online
  • Undulating
  • Age 18 & over
Complete your own Odyssey on a journey of self-discovery in the Cambridgeshire countryside featuring a swim in the River Ouse, a scenic ride and a run around the beautiful town of St Neots.
  • Sat 8 Aug
  • £145-£165
St. Neots, Cambridgeshire, UK

ATW Odyssey Half Distance Triathlon

Complete your own Odyssey on a journey of self-discovery in the Cambridgeshire countryside featuring a swim in the River Ouse, a scenic ride and a run around the beautiful town of St Neots.

  • 1900 m river swimming
  • 90 km road cycling + 1680 ft ascent
  • 21.1 km road running
  • Chip timing
  • Enter online
  • Undulating
  • Age 19 & over
Be part of a UK first. This isn’t just a Half Iron triathlon - it’s the first event of its kind where you decide the distance, from sprint to full, and race your way.
  • Sat 8 Aug
  • £145-£165
St. Neots, Cambridgeshire, UK

ATW First To Full Triathlon Festival | Half Distance Triathlon

Be part of a UK first. This isn’t just a Half Iron triathlon - it’s the first event of its kind where you decide the distance, from sprint to full, and race your way.

  • 1900 m river swimming
  • 90 km road cycling + 1686 ft ascent
  • 21.1 km road running
  • Chip timing
  • Enter online
  • PB
  • Age 19 & over

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