← All races
Road running

Mermaid Run San Francisco

📅 April 11, 2027 (estimated date)📍 San Francisco · United States

⚠️ 2027 edition: provisional information

The date is estimated from the 2026 edition (April 12, 2026), on the same day of the week. Courses, start times, fees and description are carried over from the previous edition: check them on the official website. This page will be updated as soon as the organizer publishes them.

Available distances

10 mi6.2 mi3.1 mi

About

The Mermaid Run San Francisco takes place in San Francisco on April 11, 2027, with the Sirena 10 Mile (16.1 km) starting at 7:00 a.m., a 10K (6.2 miles) at 7:30 a.m. and a 5K (3.1 miles) at 8:00 a.m. The courses include a route across the Golden Gate Bridge, a trail through the Presidio with Pacific Ocean views and a flat course along Crissy Field.

A virtual option lets participants run any distance remotely, with the chance to take on the challenge of completing every course. The Mermaid Dash introduces young athletes to running and includes awards for participants; parents can run alongside them or cheer from the sidelines. Details on registration fees, youth discounts, volunteering and cancellation policies are provided during registration.

D-175

Prepare for Mermaid Run San Francisco with RunRun

An AI-generated training plan, adjusted every week based on your real sessions. Built around your goal, current level and race date.

  • Personalized plan based on your VO2max, history and weekly availability
  • Strava and Garmin sync: your sessions are analyzed and the plan adapts
  • Target paces, long runs, key sessions: everything is calculated for race day
Create my free plan No credit card. Sign up in 30 seconds.

Races nearby

Other upcoming races around San Francisco.