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Supertri Blenheim Palace Triathlon

Saturday 5th - Sunday 6th June 2027

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Swim, Cycle and Run with the Stars at Britain's Greatest Palace

Supertri Blenheim Palace is more than a race, it's a full weekend experience. Set against the stunning backdrop of the Palace, Great Lake and vast Estate, it’s an unforgettable experience for both competitors and spectators.

Whether you’re a seasoned triathlete or taking on your first race, there’s a challenge for everyone, from the speedy Super Sprint to the mighty Weekend Warrior. 

Spaces for 2027 are open now! Register by Saturday 20th June for early bird prices.

2026 Spaces Open Now

Spaces still available now. Book Now

Supertri Blenheim Palace spectator tickets

Get your spectator tickets today, access to the Gardens and Parkland during the Triathlon Weekend. Book now

Event Information

Taking place across the Palace grounds, around the Lake and in the Great Court.
  • Tickets Icon

    Competitors must sign up through the Triathlon website. Annual Pass or day ticket to spectate.

  • Date Icon

    Saturday 5th - Sunday 6th 2027

  • Time Icon

    9.30 - 17.00

  • Accessibility Icon

    Signage in place to show accessible route to Palace.

  • Dogs Welcome Icon

    Dogs are allowed, but not in the Palace or Formal Gardens.

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