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Triathlon Calendar near Los Alamitos 2025-2026

Explore the top triathlons near Los Alamitos for 2025-2026! We've gathered 190 exciting races in the area. Check out our detailed list below to find your next local race.

October 2026
Oct
3
Saturday

Cabrillo Beach 10K

5 km 10 km
Oct
10-11
Sa - Su

Long Beach Marathon

5 km Half Marathon Marathon
Oct
11
Sunday

Sharsheret West Coast Dash

5 km 10 km
Oct
12-11
Mo - Su

Montebello Heritage 10K

5 km 10 km
Oct
18
Sunday

Beverly Hills Run of the Stars

5 km
November 2026
Nov
7
Saturday

Saddleback Marathon

Trail Run 10 km Half Marathon Marathon
Nov
26
Thursday

Plymouth Rock n Run

5 km 10 km
March 2027
Mar
1
Monday

Screenland 5K

5 km
June 2027
Jun
5
Saturday

Wrigley River Run

5 km 10 km 10 mi 13 mi
August 2027
Aug
15
Sunday

Heroes 4 Hearing 5K

5 km
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