Mermaid Run San Francisco

Mermaid Run San Francisco is an annual women's running event held at Crissy Field, San Francisco. The 17th edition in 2025 offers multiple race distances including a 5K, 10K, Sirena 10 Mile, a Mermaid Dash for children ages 6 to 12, and a virtual run option. The Sirena 10 Mile course features a scenic run across the iconic Golden Gate Bridge with stunning views of the Pacific Ocean and San Francisco skyline.

The 10K route passes through the Presidio, under the Golden Gate Bridge, and by historic Fort Point. The 5K is a flat, beginner-friendly course with picturesque bay views. Participants receive customizable swag including a race shirt, finisher medal, and necklace. Visit the organization's website for the most recent information.