18th Annual Women's Run San Francisco
Sunday, APRIL 12th, 2026
5k, 10k, Sirena10 Mile, Mermaid Dash, Virtual Run
Customize your SWAG (Save up to $14): Registration includes a race shirt, finisher medal & necklace. If you don't want all the swag you can remove items during registration and reduce your entry fee.
No Shirt: Save $8
No Medal: Save $3
No Necklace: Save $3
10 Mile: Cross the GOLDEN GATE BRIDGE with the Sirena10 Mile course! Guaranteed to get the best of the BEST views of San Francisco. After crossing the bridge on the Pacific side you'll return on the bay side for stunning views of the San Francisco skyline.
10K: The 10K course goes up and into the Presidio for where you'll soak in views of the bay and the Pacific Ocean. Run underneath the Golden Gate Bridge and pass by the historic Fort Point before heading to the finish.
5K: Flat, yes totally flat... the 5K is great for joggers, walkers and runners looking for the picturesque views without the hills.
Virtual: Virtual participants can do any of the distances and will receive their swag items in the mail. Participants who register after April 8th will have their packets mailed out after the in-person race.
Mermaid Dash: A 1.5 mile dash for girls and boys ages 6 to 12. The dash participants receive a medal, necklace and post race food. Note: The dash entry does not include a race shirt.
*Age discounts automatically applied during registration
Registration fees
Prices are inclusive of mandatory charges, items, and fees
Sirena10
Price changes in 15 days 11 hours-
The Sirena10 mile runs over the Golden Gate Bridge
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Register for Sirena10$96.04
$89.00 registration + processing fee
Now registering Mar 5 – Apr 3 -
$101.36
$94.00 registration + processing fee
Apr 4 – Apr 10 -
$106.69
Breakdown: $99.00 registration + processing fee
Apr 11 – Apr 12
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10K
Price changes in 15 days 11 hours-
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Register for 10K$74.74
$69.00 registration + processing fee
Now registering Mar 5 – Apr 3 -
$80.06
$74.00 registration + processing fee
Apr 4 – Apr 10 -
$85.39
Breakdown: $79.00 registration + processing fee
Apr 11 – Apr 12
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5K
Price changes in 15 days 11 hours-
-
Register for 5K$64.09
$59.00 registration + processing fee
Now registering Mar 5 – Apr 3 -
$69.41
$64.00 registration + processing fee
Apr 4 – Apr 10 -
$74.74
Breakdown: $69.00 registration + processing fee
Apr 11 – Apr 12
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Virtual Run
Price changes in 15 days 11 hours-
Race Packets will be mailed out to participants.
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Register for Virtual Run$64.09
$59.00 registration + processing fee
Now registering Mar 5 – Apr 3 -
$69.41
$64.00 registration + processing fee
Apr 4 – Apr 10 -
$74.74
Breakdown: $69.00 registration + processing fee
Apr 11 – Apr 12
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Mermaid Dash
Price changes in 15 days 11 hours-
Mermaid Dash for girls and boys under 12 years old
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Register for Mermaid Dash
$15.00 registration + processing fee
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$15.00 registration + processing fee
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$22.55
$20.00 registration + processing fee
Apr 11 – Apr 12
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Additional Event Details
COURSE
5k: Map
10k: Map
Sirena10: Map
Mermaid dash: Map
MERMAID DASH - 1.5 miles
The Mermaid Dash is a great way to introduce youth to the world of running. The fun run/walk allows youth to participate and experience the joy of crossing the finish line in a safe and supportive environment. Dashers receive a medal, finisher necklace and post race food. Parents are encouraged to let the dashers run on their own, however they are welcome to run alongside the dash.
Start Times:
9:55 a.m. (Ages 9-12)
10:00 a.m. (Ages 6-8)
Entry Fee: $15.00* (online)
Race Day: $20.00* (race day - Cash or Check only)
*Entry fee does NOT include a t-shirt.
CREDIT POLICY
Can't attend one of our events?
We will be happy to issue you a credit toward a future Mermaid Series event. To receive a credit, you must email us at info@mermaidseries.coma minimum of 10 days before the event date. We will email you back a confirmation along with the total amount of your future race credit. Please keep the confirmation email for your records. Credits are good through the following calendar year. Credits are nontransferable.
The following credits will be issued:
• Duathlon - Entry fee minus $10 processing fee
• Triathlons - Entry fee minus $10 processing fee
• Run - Entry fee minus $10 processing fee.
Event schedule
- Sun, April 12, 2026 7:00 AM - Sirena10 Mile (start time subject to change)
- Sun, April 12, 2026 7:30 AM - 10K (start time subject to change)
- Sun, April 12, 2026 8:00 AM - 5K (start time subject to change)
- Sun, April 12, 2026 9:55 AM - Mermaid Dash (ages 9-12)
- Sun, April 12, 2026 10:00 AM - Mermaid Dash (ages 6-8)
Contact information
- Event contact
- Mermaid Series
- Website
- Visit website
