Mission Bay Triathlon and San Diego Tri Series 5K
San Diego, California, United States
Oct 11, 2026 - Sunday
5k
Race Information
The Mission Bay 5K is a scenic, flat run along the shores of San Diegoβs iconic Mission Bay, offering a relaxed, coastal course with wide-open views and smooth paths. Set within a historic, high-energy triathlon event, this welcoming race is perfect for all levels, delivering a fun, accessible experience and a lively, celebration-filled finish line.
π Run Pick of the Month: Pacific Beach Half Marathon & 5K
π San Diego, CA - October 3-4, 2026
πΈ SAVE 10% On Any Distance. Use Code: RUNPICKPB
π Why We Like This Run
β
Scenic San Diego Beach Views
β
Kids 1K, 5K, half marathon, or participate in both the half & 5K
β
Score a tank top, medal, free photos, drink ticket, and sunnies (half only)
Rally your crew for an epic two-day race weekend in Pacific Beach, where the party starts on the sand and ends with a beach finish line party. Chase fast scenic miles from Mission Bay to the coast or hit the beach for a one-of-a-kind 5K, then go all in with the Surfside Double Shot for the ultimate SoCal race experience.
Get a Training Plan for this Run
Receive 2 FREE Weeks of personalised run training from our friends at Runna
The Runna app, the ultimate running coach in your pocket, gives you personalised programs that sync with your favourite devices, includes strength and mobility training, and offers complete support.
You get 2 weeks for free!
Learn more about Runna. Click the link below.
π Looking For More Runs Near San Diego?
Find another distance:
EXCLUSIVE 10% OFF!
Save 10% off your registration!
Race Facts
Race Size: 500 - 1,000
Course Type: Road
Boston Qualifier: No
Kids Run: No
Where to Stay
Use this map to find hotels and airbnb accommodation near this race location.

