Women's Half Marathon San Diego
Presented By: Mermaid Series
Saturday, March 14th, 2026
5k, 10k, Half Marathon, Mermaid Dash, Virtual Run
Customize your SWAG (Save up to $14): Registration includes a stylish tech 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
Registration fees
Prices are inclusive of mandatory charges, items, and fees
Half Marathon Closed
Online registration closed-
- Online registration closed
10K Closed
Online registration closed-
- Online registration closed
5K Closed
Online registration closed-
- Online registration closed
Virtual Run Closed
Online registration closed-
Must register by February 23rd to ensure receiving your packet by race day.
- Online registration closed
Mermaid Dash Closed
Online registration closed-
Mermaid Dash for girls and boys between 6 and 12 years old
- Online registration closed
Additional Event Details
COURSE
5K : Map
10K : Map
Half : Map
Tentative START TIMES
7:00 a.m. - Half
7:15 a.m. - 10K
7:30 a.m. - 5k
MERMAID DASH
Parents are encouraged to let Mermaid Dashers run on their own, however a parent or guardian is welcome to run alongside young or shy Mermaid Dashers.
Mermaid Dash Details
Race Start: Tecolote Shores North
Time: 9:45 a.m. (Ages 9 - 12)
Time: 9:50 a.m. (Ages 6 - 8)
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.com a 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
- Sat, March 14, 2026 7:00 AM - Half Marathon
- Sat, March 14, 2026 7:15 AM - 10K
- Sat, March 14, 2026 7:30 AM - 5K
- Sat, March 14, 2026 9:45 AM - Mermaid Dash (ages 9-12)
- Sat, March 14, 2026 9:50 AM - Mermaid Dash (ages 6-8)
Contact information
- Event contact
- Mermaid Series
- Website
- Visit website
