2025-06-15: Standard Triathlon: Royal Windsor Triathlon

• WHEN: 15 June 2025
• WHERE: Windsor
• DISTANCE: Standard Olympic Distance:
  • Swim: 1500m River Thames Swim
  • Bike:  40km
  • Run:  10km
• Online Entry: Royal Windsor Triathlon

The Royal Windsor Triathlon is one of UK’s most legendary multisport challenges. It takes place in Windsor, Berkshire. the 2025 edition will take place on the 15 June 2025.

The first Royal Windsor Triathlon was created in 1991, and 34 years later is now firmly established as one of the top events in the triathlon calendar. Few triathlons can compare with the historical backdrop of Windsor Castle, the majestic River Thames, the green vista of the Long Walk and the stunning overall surroundings of Windsor.