Royal Windsor Triathlon

JUN
14
2026
Join the 35 year Royal Windsor Triathlon on 14 June for an open water Thames swim, a scenic cycle past Windsor Castle and a run finishing on the Long Walk. Sprint and standard distances plus a lively event village.
Sun 14 Jun 2026
Sprint Triathlon 750m Swi... Standard Triathlon 1500m...

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Event overview

The Royal Windsor Triathlon takes place on Sunday 14 June 2026 at Alexandra Gardens, Windsor SL4 1RF, UK. The event is operated by RunThrough as the Official Event Delivery Partner and marks the event's 35 year anniversary. The course includes an open water swim in the River Thames, a road cycle that passes Windsor Castle and heads into surrounding countryside, and a run that finishes into Windsor Great Park along the Long Walk. The event offers an event village with food and drink options, partner giveaways at the finish, and course marshals to guide participants.

Race details and logistics

Distances offered:

  • Sprint Triathlon: 750m swim, 20km bike, 5km run
  • Standard Triathlon: 1500m swim, 40km bike, 10km run

Additional options and facts: Visit the organization's website for the most recent information.

  • Relay races are restricted to teams of three.
  • Entry prices listed include examples such as Sprint £85, Standard £95, Sprint Relay £170, Standard Relay £190; some entries include an option for Sunday racking at a higher price.
  • Included with entry: a themed medal, free race photos, and chip-timed results.
  • A BTF race day pass is not included with entry and must be purchased separately.
  • Bike and run segments are on road terrain; example elevations provided: Sprint bike elevation 127m and run elevation 51m; Standard bike elevation 243m and run elevation 85m.
40 km
Standard Triathlon 1500m Swim, 40km Bike and 10km Run
20 km
Sprint Triathlon 750m Swim, 20km Bike and 5km Run

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