Petaluma close

Triathlon Calendar near Petaluma 2026-2027

Header image

Explore the top triathlons near Petaluma for 2026-2027! We've gathered 4 exciting races in the area. Check out our detailed list below to find your next local race.

October 2026
Oct
2-4
Fr - Su

SGRAIL Marin - Triathlon & Trail Half Marathon

Trail Run Triathlon Olympic 1500 m 40 10 km SGRAIL Challenge - Triath... 1500 m 40 10 km 13.1 mi
A three-day event in San Rafael featuring an Olympic triathlon, Olympic relay, trail half marathon, a combined challenge and a kids fun race.
Oct
24
Sa

Napa Valley Fall Triathlon

Triathlon Duathlon Open 100 m 2 1 mi Sprint 750 m 12.4 3.1 mi Olympic 1500 m 24.8 6.2 mi Full distance 1.2 56 13.1 mi
A USAT sanctioned triathlon at Lake Berryessa in Napa Valley offering Open, Sprint, Olympic and Long Course swim bike run distances with entry tiers.
April 2027
Apr
10
Sa

Napa Valley Spring Triathlon

Triathlon Duathlon Open 100 m 2 1 mi Sprint 750 m 12.4 3.1 mi Olympic 1500 m 24.8 6.2 mi Middle distance 1.2 56 13.1 mi
USAT sanctioned triathlon at Lake Berryessa in Napa Valley offering open, sprint, Olympic and long course swim, bike and run distances.
June 2027
Jun
27
Su

Cal Tri La Crema

Triathlon Multisport Sprint Olympic
Weekend triathlon weekend in Sonoma County with sprint and Olympic options, swims at Johnson's Beach, a bike on River Road and finishes through the La Crema vineyards.
Monthly updates for Petaluma

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.