Trillium Women's Only Event

The Trillium Women's Only Event, held annually at Centennial Quarry in Sylvania, Ohio, is a multi-sport race designed exclusively for women of all ages and abilities. Celebrating its 20th year in 2025, the event offers both a triathlon and a duathlon. The triathlon includes a 400-meter swim, an 11-mile bike ride, and a 5K run, while the duathlon features a 1-mile run, an 11-mile bike ride, and a 3.1-mile run.

The race fosters empowerment and camaraderie among participants, welcoming beginners and experienced athletes alike. It also includes special divisions and a time trial start option, creating a supportive and competitive atmosphere. Visit the organization's website for the most recent information.