Triathlon Race Calendar in California, United States

Tri to Inspire

Santa Rosa, California, United States

27 Sep, 2026 (Sun)

$45.00 - $170.00

Triathlon

19.8K 6.6K +4

2026 Cal Tri LA - 10.18.26

Playa Del Rey, California, United States

18 Oct, 2026 (Sun)

Free - $153.86

Triathlon, Running, Swimming

Ultra 5K 1.5K 10K +1

Lake Evans Triathlon, 5k & 10k

Bakersfield, California, United States

18 Oct, 2026 (Sun)

$45.00 - $230.00

Triathlon, Aquabike, Swimrun, Duathlon, Running

23.7K 48.4K 18.7K 5.3K +12

2026 Morro Bay Triathlon

Morro Bay, California, United States

01 Nov, 2026 (Sun)

$180.00 - $270.00

Triathlon

Ultra 25.7K

2026 Optimism Cal Tri Newport Dunes - 11.1.26

Newport Beach, California, United States

01 Nov, 2026 (Sun)

$43.86 - $153.86

Triathlon, Running, Swimming

Ultra 4.8K 1.5K 9.7K

Bayshore Sprint and 70.4

Long Beach, California, United States

07 Nov, 2026 (Sat)

$165.00

Triathlon

Ultra

Bayshore 70.4 and Sprint Triathlon

Long Beach, California, United States

13 Mar, 2027 (Sat)

$175.00 - $255.00

Triathlon

Ultra 26.2K 26.6K

Orange County Multisport Festival

Mission Viejo, California, United States

25 Apr, 2027 (Sun)

$45.00 - $250.00

Triathlon, Aquabike, Running

Ultra 5K

Spring Sprint @ Uvas

Morgan Hill, California, United States

31 May, 2026 (Sun)

Triathlon, Aquabike, Duathlon, Swimrun, Swimming, Running

35.4K 27.4K 33.8K 9.3K +4

Silicon Valley Kids Triathlon

San Jose, California, United States

10 May, 2026 (Sun)

Triathlon

12.5K

2026 Cal Tri Ventura - 5.3.26

Ventura, California, United States

03 May, 2026 (Sun)

Triathlon, Running, Swimming

Ultra 4.8K 1.5K 9.7K

5K Event

Tahoe City, California, United States

29 Jan, 2026 (Thu) – 31 Dec, 2030

$75.00

Running, Triathlon

5K 10K