Triathlons in California
California has 48 upcoming triathlons scheduled for 2026. That is the highest event count for triathlons of any state. Most of the calendar falls in the warmer months: 33 of 48 races (69%) take place between May and September, with July (11 events) the busiest month. No single city dominates the calendar. Solana Beach leads with 3 races, followed by Santa Cruz (3), Long Beach (2), and Truckee (2). The remaining 79% of the calendar is spread across smaller cities.
Triathlons by month in California
Jul (11) · Aug (11) · Sep (8) · Oct (7) · Nov (3) · Mar (2) · Jun (2) · Dec (2) · Apr (1) · May (1)
Notable California events
- IRONMAN California — Sacramento, October 18 — full Ironman triathlon
Showing 24 of 48
Triathlon
The Great American Triathlon
Carmichael, CA
The Great American Triathlon
Triathlon
East Bay Kids Triathlon
Hayward, CA
East Bay Kids Triathlon
Triathlon
Long Beach Legacy Triathlon
Long Beach, CA
Long Beach Legacy Triathlon
2026 Solana Beach Triathlon & Duathlon and Solana Beach 5K
Triathlon
Donner Lake Sprint & Kids Triathlon - Saturday
Truckee, CA
Donner Lake Sprint & Kids Triathlon - Saturday
Triathlon
Solana Beach Triathlon, Duathlon, Aquabike, & Aquathlon
Solana Beach, CA
Solana Beach Triathlon, Duathlon, Aquabike, & Aquathlon
Triathlon
2026 Goleta Beach Triathlon
Goleta, CA
2026 Goleta Beach Triathlon
Triathlon
2026 Solana Beach Triathlon & Duathlon and Solana Beach 5K
Solana Beach, CA
2026 Solana Beach Triathlon & Duathlon and Solana Beach 5K
Triathlon
Donner Lake Olympic & Half Iron Triathlon - Sunday
Truckee, CA
Donner Lake Olympic & Half Iron Triathlon - Sunday
2026 CVC San Diego Triathlon and San Diego Tri Series 5K
