Trillium Women's Only Event
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TRILLIUM - A WOMEN'S ONLY EVENT
Trillium is a women only multi-sport event held in Sylvania, Ohio at Centennial Quarry on July 12, 2026. The event has been presented as a women only triathlon and duathlon since 2005 and is USAT sanctioned.
The event offers specific race formats with set swim, bike and run segments:
- Triathlon: 400 meter swim, 11 mile bike, 5K run
- Duathlon: 1 mile run, 11 mile bike, 3.1 mile run
Relay formats are available for teams: a three member Triathlon Relay where the first person swims, the second bikes and the third runs, and a two member Duathlon Relay where one person completes both runs and the second person bikes. A triathlon time trial start is staged two at a time on the steps of Centennial Quarry.
Age minimums are specified for each event: the triathlon and triathlon relay are open to ages 15 and older, the duathlon is open to ages 12 and older, and the duathlon relay lists ages 15 and older. The event location is Centennial Quarry, Sylvania, OH 43560. Visit the organization's website for the most recent information.
