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Triathlons in East of England in June 2026

Find triathlons in East of England in June 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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One of the country’s most popular middle distance swim-bike-run events, delivered by triathletes for triathletes, at the beautiful and iconic Grafham Water.
  • Sun 7 Jun
  • £146-£187
Huntingdon, Cambridgeshire, UK

ATW Grafman Middle Distance Triathlon & Aquabike

One of the country’s most popular middle distance swim-bike-run events, delivered by triathletes for triathletes, at the beautiful and iconic Grafham Water.

  • Half Ironman
  • Middle aquabike
  • Recycling
  • Beginner-friendly
  • Event village
  • Park
  • Rural
  • Sustainability policy
  • Age 18 & over
Dive into the ATW Stewartby Lake Triathlon and Aquabike – a flat, fast and friendly race offering stunning lake views, smooth roads, and surefire PB potential.
  • Sun 21 Jun
  • £66-£119
Bedford, Bedfordshire, UK

ATW Stewartby Lake Triathlon & Aquabike

Dive into the ATW Stewartby Lake Triathlon and Aquabike – a flat, fast and friendly race offering stunning lake views, smooth roads, and surefire PB potential.

  • Sprint triathlon
  • Olympic triathlon
  • Sprint aquabike
  • Standard aquabike
  • Recycling
  • Beginner-friendly
  • Plastic bottle free
  • Event village
  • Park
  • Sustainability policy
  • Age 15 & over
Take on an exciting coastal triathlon in Southend, featuring a sea swim, fast seafront cycle, and scenic run with fantastic crowd support all the way.
  • Sun 21 Jun
  • £75-£110
Southend-on-Sea, Essex, UK

Southend Triathlon

Take on an exciting coastal triathlon in Southend, featuring a sea swim, fast seafront cycle, and scenic run with fantastic crowd support all the way.

  • Sprint triathlon
  • Olympic triathlon
  • Relay triathlon
  • Standard aquabike
  • Beginner-friendly
  • Event village
  • Coast
  • Age 18 & over

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