Territorial Triathlon Series

The Territorial Triathlon Series, organized by TRI-It Racing Clubs, features a variety of events including Olympic, Sprint, and Super Sprint distances, as well as Aquabike options. Set to take place at Guthrie Lake, Oklahoma, the series is recognized as the 2025 USAT Oklahoma State Championship for Olympic and Sprint distances. The event is designed for athletes of all levels, with specific categories for high school participants and those aged 55 and older.

The scenic, no-wake lake provides a safe environment for swimming, and ample parking is available for participants and spectators. Visit the organization's website for the most recent information.