California close

California Triathlon Calendar 2026-2027

Header image

Explore the best triathlons in California for 2026-2027! Our updated list features 62 exciting races across the region. Find your next race in California below and join the running community at these great events!

September 2027
Sep
12
Su

Shaver Lake Mile High Triathlon

Triathlon Sprint 800 m 3.1 mi Olympic 1600 m 6.2 mi Sprint 800 m 11.4 mi Sprint 800 m 11.4 3.1 mi
Multiple race formats at Camp Edison Shaver Lake on September 12 2027, including triathlon, aquabike, duathlon, 5K, 10K and virtual options.
Sep
19
Su

Long Beach Legacy Triathlon

Triathlon Super sprint 400 m 10 2.5 km Sprint 750 m 20 5 km Olympic 1.5 40 10 km
Ocean swim and beachfront bike in Long Beach California on September 19, 2027 with SuperSprint, Sprint, and Olympic distances and fundraising for Children’s Hospital Los Angeles.
Monthly updates for California

Get new running races (and updates) in your inbox every month.
Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.