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Half Ironman (middle distance) in South West

Find half ironman (middle distance) in South West 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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This triathlon returns for another successful year! It’s a superb swimming venue with quiet rolling roads for the bike course and a cracking run too. Plus there's lakeside camping available too.
  • Sun 17 May
  • £135
Lifton, Devon, UK

Roadford Lake Triathlon | Middle Distance

This triathlon returns for another successful year! It’s a superb swimming venue with quiet rolling roads for the bike course and a cracking run too. Plus there's lakeside camping available too.

  • 1.9 m lake swimming
  • 93 km road cycling + 8490 ft ascent
  • 20 km road running + 3288 ft ascent
  • Chip timing
  • Enter online
  • Undulating
  • Age 18 & over
The Middle Distance Triathlon will not fail to impress. With stunning views of Weymouth nature reserve and a true test of stamina, you'll be beaming with pride at the finish line.
  • Sun 14 Jun
  • £155-£195
Weymouth, Dorset, UK

Weymouth WMD Triathlon | Weymouth Middle Distance Triathlon

The Middle Distance Triathlon will not fail to impress. With stunning views of Weymouth nature reserve and a true test of stamina, you'll be beaming with pride at the finish line.

  • 1900 m sea swimming
  • 90 km road cycling + 2501 ft ascent
  • 21 km multi terrain running + 259 ft ascent
  • Chip timing
  • Enter online
  • Undulating
  • Age 18 & over
Dive into the Plymouth Middle Distance Triathlon! A stunning sea swim, scenic coastal bike ride, and flat waterfront run offering an unforgettable multisport challenge for athletes of all abilities.
  • Sun 14 Jun
  • £130
Torpoint, Cornwall, UK

Plymouth Middle Distance Triathlon

Dive into the Plymouth Middle Distance Triathlon! A stunning sea swim, scenic coastal bike ride, and flat waterfront run offering an unforgettable multisport challenge for athletes of all abilities.

  • 1900 m sea swimming
  • 90 km road cycling + 4545 ft ascent
  • 20 km trail running + 1620 ft ascent
  • Chip timing
  • Enter online
  • Age 18 & over
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
  • £140
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.

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

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