Blenheim Palace Triathlon
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Event overview
The Blenheim Palace Triathlon takes place at Blenheim Palace in Woodstock, Oxfordshire, UK, on the weekend of June 6-7, 2026. The course includes a swim in the Great Lake, a closed-road bike course through the palace grounds, and a run through landscaped parkland. A Finish Line Festival for athletes and spectators offers food, drinks, and live music. Team entries are available for groups of 10 or more and include a private area with bag drop, toilets, changing facilities, and bike racks. Teams can add an optional marquee and shared hospitality space. Team entries allow participant swaps up to two weeks before the event. Team members in the same distance generally share a wave unless gender-specific; final timings are provided to team leaders two weeks before the race.
Distances and services
Available race formats include individual SuperSprint and Sprint distances, relay teams, and a Weekend Warrior option.
- SuperSprint: 400 m swim, 13.3 km bike, 2.9 km run
- Sprint: 750 m swim, 19.8 km bike, 5.4 km run
Included services and event features listed for participants include a medal, t-shirt, chip-timed results, bag drop, app tracking, aid stations, training support, a branded swim hat, and post-event hydration. Visit the organization's website for the most recent information.