June 2026 California SwimRun Races
3 upcoming SwimRun races in California in June.
Races happening soon in California.
These endurance races in California are happening in the next 7 days. Check them out and sign up soon if you’re looking for something fun to do.
2026 Cal Tri Castaic Lake - 6.20.26
Castaic Lake Paradise Cove, Castaic, CA
Sprint · Olympic
Avg 89° / 57°·1,293 ft city elevation Avg 89° / 57°1,293 ft city elevation Huntington Lake Triathlon, 5k & 10k
62010 Huntington Lake Road, Lakeshore, CA
5K · 10K · Sprint · Olympic
Avg 67° / 43°·6,995 ft city elevation Avg 67° / 43°6,995 ft city elevation Goleta Beach Splash & Dash
5986 Sandspit Road, Goleta, CA
5K · 1000m · Other
Avg 71° / 56°·0 ft city elevation Avg 71° / 56°0 ft city elevation July 2026 California SwimRun Races
4 upcoming SwimRun races in California in July.
Coveathlon #1
1131 Bay Back Drive, Newport Beach, CA
5K · 10K · 1000m
Avg 71° / 64°·0 ft city elevation Avg 71° / 64°0 ft city elevation Coveathlon #2
1131 Bay Back Drive, Newport Beach, CA
5K · 10K · 1000m
Avg 72° / 65°·0 ft city elevation Avg 72° / 65°0 ft city elevation San Clemente Ocean Festival
San Clemente Pier, San Clemente, CA
5K · 1500m
Avg 80° / 60°·283 ft city elevation Avg 80° / 60°283 ft city elevation Coveathlon #3
1131 Bay Back Drive, Newport Beach, CA
5K · 10K · 1000m
Avg 73° / 65°·0 ft city elevation Avg 73° / 65°0 ft city elevation August 2026 California SwimRun Races
3 upcoming SwimRun races in California in August.
Coveathlon #4
1131 Bay Back Drive, Newport Beach, CA
5K · 10K · 1000m
Avg 73° / 66°·0 ft city elevation Avg 73° / 66°0 ft city elevation Tri Santa Cruz
119 Center Street, Santa Cruz, CA
Sprint · Olympic · 500m · 1500m
Avg 75° / 55°·36 ft city elevation Avg 75° / 55°36 ft city elevation Cupertino Splash and Dash #2
11401 Stevens Canyon Rd, Cupertino, CA
5K · 1000m · 1500m
Avg 77° / 59°·295 ft city elevation Avg 77° / 59°295 ft city elevation September 2026 California SwimRun Races
2 upcoming SwimRun races in California in September.
Shaver Lake Mile High Triathlon
Camp Edison, Shaver Lake, CA
5K · 10K · Sprint · Olympic
Avg 69° / 44°·6,081 ft city elevation Avg 69° / 44°6,081 ft city elevation Santa Cruz Triathlon
119 Center Street, Santa Cruz, CA
Sprint · Olympic
Avg 76° / 52°·36 ft city elevation Avg 76° / 52°36 ft city elevation October 2026 California SwimRun Races
2 upcoming SwimRun races in California in October.
2026 Cal Tri LA - 10.18.26
Dockweiler State Beach - Parking Lot 2, Playa Del Rey, CA
5K · 10K · Sprint · Olympic · 500m · 1500m
Avg 74° / 57°·100 ft city elevation Avg 74° / 57°100 ft city elevation Lake Evans Triathlon, 5k & 10k
Lake Evans, Bakersfield, CA
5K · 10K · Sprint · Olympic
Avg 79° / 53°·379 ft city elevation Avg 79° / 53°379 ft city elevation November 2026 California SwimRun Races
1 upcoming SwimRun race in California in November.
2026 Optimism Cal Tri Newport Dunes - 11.1.26
Newport Dunes Waterfront Resort & Marina - (Parking 10 Dollars), Newport Beach, CA
5K · 10K · Sprint · Olympic · 500m · 1500m
Avg 71° / 58°·0 ft city elevation Avg 71° / 58°0 ft city elevation April 2027 California SwimRun Races
1 upcoming SwimRun race in California in April.
2027 Cal Tri Lake Perris - 4.11.27
Lake Perris State Recreation Area - Lot 9, Perris, CA
Sprint · Olympic
Avg 73° / 43°·1,709 ft city elevation Avg 73° / 43°1,709 ft city elevation May 2027 California SwimRun Races
1 upcoming SwimRun race in California in May.
2027 Cal Tri Ventura - 5.2.27
Harbor Cove Beach, Ventura, CA
5K · 10K · Sprint · Olympic · 500m · 1500m
Avg 76° / 44°·288 ft city elevation Avg 76° / 44°288 ft city elevation