USA Triathlon Women's Series
Trillium is a recognized event by USA Triathlon in the 2025 Women's Series.
USA Triathlon supports women’s races across the country that give female athletes, beginner to advanced, a space to celebrate and engage with other women in the multisport community. The Women’s Series spans the multisport season and features women’s-focused events across the country. Qualification is not required to participate in series events.
