Triathlon Races in California, United States 2026 14 events
Browse upcoming triathlon races in United States. Find dates, distances, and registration links.
Upcoming races
TriathlonIn 3 days
Barbara Schmidt Millar Women's Triathlon & 5K: Celebrating Life, Empowering Women
◎ Nevada City, USA▤ Aug 30, 2026
5 km
TriathlonIn 2 weeks
2026 San Diego Tri Classic & San Diego 5K
◎ San Diego, USA▤ Sep 12, 2026
1.5 km / 40 km / 10 km
TriathlonIn 3 weeks
Albany Community Triathlon 2026
◎ Albany, USA▤ Sep 20, 2026
0.4 km / 10 km / 2.5 km
TriathlonIn 6 weeks
2026 XTERRA WETSUITS Mission Bay Triathlon & San Diego 5K
◎ San Diego, USA▤ Oct 11, 2026
0.75 km / 20 km / 5 km
TriathlonIn 7 weeks
2026 Cal Tri LA - 10.18.26
◎ Playa Del Rey, USA▤ Oct 18, 2026
1.9 km / 90 km / 21.1 km
TriathlonIn 9 weeks
2026 Morro Bay Triathlon
◎ Morro Bay, USA▤ Nov 1, 2026
1.5 km / 40 km / 10 km
TriathlonIn 9 weeks
2026 Optimism Cal Tri Newport Dunes - 11.1.26
◎ Newport Beach, USA▤ Nov 1, 2026
1.5 km / 40 km / 10 km
TriathlonIn 2 months
Bayshore Sprint and 70.4
◎ Long Beach, USA▤ Nov 7, 2026
1.9 km / 90 km / 21.1 km
TriathlonIn 3 months
IRONMAN 70.3 Indian Wells
◎ Indian Wells, USA▤ Dec 6-7, 2026
1.9 km / 90 km / 21.1 km
TriathlonIn 4 months
40th Annual Tinsel Triathlon
◎ Hemet, USA▤ Dec 13, 2026
TriathlonIn 7 months
Bayshore 70.4 and Sprint Triathlon
◎ Long Beach, USA▤ Mar 13, 2027
0.75 km / 20 km / 5 km
TriathlonIn 7 months
Redding Endurance Triathlon
◎ Redding, USA▤ Mar 14, 2027
750 m / 20 km / 5 km
TriathlonIn 7 months
2027 Cal Tri Lake Perris - 4.11.27
◎ Perris, USA▤ Apr 11, 2027
1.5 km / 40 km / 10 km
TriathlonIn 8 months
2027 Cal Tri Ventura - 5.2.27
◎ Ventura, USA▤ May 2, 2027
1.5 km / 40 km / 10 km