June 2026 California Duathlon Races
2 upcoming Duathlons 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 July 2026 California Duathlon Races
2 upcoming Duathlons in California in July.
Crescent City Triathlon
Fred Endert Municipal Pool, Crescent City, CA
Sprint
Avg 66° / 52°·11 ft city elevation Avg 66° / 52°11 ft city elevation 2026 Solana Beach Triathlon & Duathlon and Solana Beach 5K
120 S. Sierra Ave., Solana Beach, CA
5K · Sprint
Avg 75° / 65°·92 ft city elevation Avg 75° / 65°92 ft city elevation August 2026 California Duathlon Races
5 upcoming Duathlons in California in August.
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 2026 CVC San Diego Triathlon and San Diego Tri Series 5K
999 Bayside Parkway, Chula Vista, CA
5K · Sprint · Olympic
Avg 77° / 66°·280 ft city elevation Avg 77° / 66°280 ft city elevation Sandman Tri
State Park Dr, Seacliff, CA 95003, Aptos, CA
Sprint · Olympic
Avg 76° / 54°·128 ft city elevation Avg 76° / 54°128 ft city elevation Santa Barbara Triathlon & Beach Festival
1118 E Cabrillo Blvd., Santa Barbara, CA
5K · 500m · 1500m
Avg 78° / 60°·121 ft city elevation Avg 78° / 60°121 ft city elevation Torrance Memorial Medical Center, BRA Run, Los Angeles
12000 Vista Del Mar, Playa Del Rey, CA
1K · 5K · 8 Mile · Under 25 mi · Sprint
Avg 77° / 63°·100 ft city elevation Avg 77° / 63°100 ft city elevation September 2026 California Duathlon Races
3 upcoming Duathlons in California in September.
2026 San Diego Tri Classic & San Diego 5K
2455 Cushing Rd, San Diego, CA
5K · Sprint · Olympic
Avg 78° / 67°·352 ft city elevation Avg 78° / 67°352 ft city elevation Pacific Coast Triathlon
8471 North Coast Highway, Laguna Beach, CA
Sprint · Olympic
Avg 82° / 59°·22 ft city elevation Avg 82° / 59°22 ft city elevation 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 October 2026 California Duathlon Races
5 upcoming Duathlons in California in October.
2026 XTERRA WETSUITS Mission Bay Triathlon & San Diego 5K
1100 W. Mission Bay Dr., San Diego, CA
5K · Sprint · Olympic
Avg 75° / 63°·352 ft city elevation Avg 75° / 63°352 ft city elevation Lake Hodges Trail Festival
Piedras Pintadas Trailhead, San Diego, CA
1 Mile · 5K · 10K · 15K · 50K · Olympic · Other
Avg 75° / 61°·352 ft city elevation Avg 75° / 61°352 ft city elevation 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 Lake Hodges Trail Duathlon
Piedras Pintadas Trailhead, San Diego, CA
Olympic
Avg 75° / 61°·352 ft city elevation Avg 75° / 61°352 ft city elevation November 2026 California Duathlon Races
1 upcoming Duathlon 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 Duathlon Races
2 upcoming Duathlons 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 Orange County Multisport Festival
22555 Olympiad Rd, Mission Viejo, CA
5K · Sprint · Olympic · 1500m
Avg 78° / 53°·539 ft city elevation Avg 78° / 53°539 ft city elevation May 2027 California Duathlon Races
1 upcoming Duathlon 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 August 2027 California Duathlon Races
1 upcoming Duathlon in California in August.
Pre Reg 2027 Torrance Memorial Medical Center, BRA Run, Los Angeles
12000 Vista Del Mar, Playa Del Rey, CA
1K · 5K · 8 Mile · Under 25 mi · Sprint
Avg 77° / 63°·100 ft city elevation Avg 77° / 63°100 ft city elevation