Women's Half Marathon San Diego

Women's Half Marathon San Diego Presented By: Mermaid Series Saturday, March 14th, 2026 5k, 10k, Half Marathon, Mermaid Dash, Virtual Run Women's 5k, 10k, Half Marathon and Virtual Run Ideal course for both walkers and runners! The flat and fast course features beautiful Bay views along the running path at Mission Bay. Come out and experience the joy of crossing the finish line! 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 Age Discounts Youth 19 & under receive a 20% discount* *Age discounts automatically applied during registration