Blenheim Palace Triathlon 2025 Location. Every year, competitors and spectators are welcomed to the stunning surroundings of blenheim palace to take part in one of the most spectacular triathlons in europe, set against. Discover the world's most stunning triathlon.

The super sprint race consists of a 400m swim, 13.2km bike ride, and a 2.9km run. Alongside food, drink and some fantastic entertainment, we will have a number of brands displaying their great products.