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Half Ironman (middle distance) in August 2026

Find half ironman (middle distance) near me in August 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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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.

  • Chip timing
  • Enter online
  • Undulating
  • Age 19 & over
  • 1900 m river swimming
  • 90 km road cycling + 1680 ft ascent
  • 21.1 km road running
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.

  • Chip timing
  • Enter online
  • PB
  • Age 19 & over
  • 1900 m river swimming
  • 90 km road cycling + 1686 ft ascent
  • 21.1 km road running
Take on a wild Scottish adventure combining a cold-water loch swim, epic gravel ride and tough mountain run through the breathtaking landscape of the Arrochar Alps.
  • Sat 22 Aug
  • £250
Cairndow, Argyll and Bute, UK

THE RESTLESS Gravel XTRI

Take on a wild Scottish adventure combining a cold-water loch swim, epic gravel ride and tough mountain run through the breathtaking landscape of the Arrochar Alps.

  • Chip timing
  • Enter online
  • GPS tracking
  • Hilly
  • Mountainous
  • Traffic free
  • Event village
  • Event expo
  • Rural
  • Mountains
  • Age 18-100
  • 1.8 km lake swimming
  • 50 km gravel riding + 2000 m ascent
  • 25 km fell running + 1200 m ascent
A superb triathlon venue which hosted Ironman 70.3 for ten years! Experience dramatic hills, pristine open water and wild Exmoor scenery in a tough, rewarding Middle Distance Triathlon.
  • Sun 30 Aug
  • From £130
Dulverton, Somerset, UK

Wimbleball Middle Distance Triathlon

A superb triathlon venue which hosted Ironman 70.3 for ten years! Experience dramatic hills, pristine open water and wild Exmoor scenery in a tough, rewarding Middle Distance Triathlon.

  • Chip timing
  • Enter online
  • Age 18 & over
  • 1900 m lake swimming
  • 92 km road cycling + 5381 ft ascent
  • 21 km road running + 1508 ft ascent

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