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    • Château de Chantilly, June 2025
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    • Hever Castle, September 2025
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    • Lough Cutra Castle, May 2026
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DISCIPLINES

Our event weekends feature races across 7 disciplines and 28 distances. So, whether you’re a runner or a triathlete, a beginner or an elite, we have a race for you.

Triathlon

Triathlon

Swim, bike, run through the private lakes and grounds of iconic castles.

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Duathlon

Duathlon

Run and cycle through stunning Castle grounds and surrounding landscapes.

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Aquathlon

Aquathlon

Swim and run through stunning private lakes and Castle grounds.

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Aquabike

Aquabike

Swim and cycle through stunning private lakes and Castle grounds.

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Swim

Swim

Beautiful open-water swims through, usually private, Castle lakes.

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Run

Run

Our Castle runs offer stunning off-road runs through the estate grounds and surrounding landscapes.

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Obstacle

Obstacle

An authentic recreation of the mud, sweat and pain of modern day Royal Marines Commando training.

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  • Book Now
  • Events
    • View All Events
    • Château de Chantilly, June 2025
    • Cholmondeley Castle, June 2025
    • Belvoir Castle, July 2025
    • Hever Castle, September 2025
    • Hever Castle Commando, October 2025
    • Lough Cutra Castle, May 2026
  • Charity
  • Disciplines
    • View All Disciplines
    • Triathlon
    • Duathlon
    • Aquabike
    • Aquathlon
    • Swim
    • Run
    • Obstacle
  • Prep
  • Shop
  • Offers
    • Special Offers
    • Get Involved
    • Partners
  • News
  • MyEvents Login

Partners

Alzheimer's Research UK
Bulk SMS
Yellow Jersey
Tri Training Harder
Swans
SwimTrek

Supporters

Hyperice
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Sonrmusic
Pelotan
Nuasan
Maaree
Livewell

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