Register for Mission Bay Triathlon & 5K
Sunday, October 11, 2026 · Mission Bay & Fiesta Island, San Diego
Beginners welcome. No qualification is needed to enter. Choose a Sprint, Mini Sprint, relay, kids event, 5K, or International distance race.
New to triathlon? Swim buddies provide extra encouragement. Your race experience includes a technical shirt, finisher medal, and finish-line celebration.
2026 USAT State Championship
Compete for state champion titles and national championship qualification opportunities. Read eligibility and qualification details.
Race Features
International Distance - Limited to 300 participants.
Mini Sprint and Itsy Bitsy Kids Events!
Chip Timing (5 splits)
Technical T-Shirt
Continental Breakfast
Modern Times and Ashland Seltzer Garden🍺
LIVE Band
Online Results
Awesome Finisher Medal
Awards 3 Deep for Triathlon
Course Info Presentations
Race Photos Available On-Line
SWIM BUDDIES - For new Triathletes that need extra encouragement.
** All registrations after the expo closes on Saturday will incur a $10 late fee
**Please note: ALL first time youth triathletes with a racing age of 7-10 will be required to complete a Swim Certification in order to compete in the event. You may download the form here.
