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Triathlon Calendar near Brea 2025-2026

Explore the top triathlons near Brea for 2025-2026! We've gathered 165 exciting races in the area. Check out our detailed list below to find your next local race.

July 2026
Jul
4
Saturday

Freedom Run on the Ranch

5 km 10 km 15 km
Jul
18
Saturday

Hot to Trot Half Marathon - Los Angeles

Trail Run 5 km 10 km 15 km 21 km
November 2026
Nov
7
Saturday

Saddleback Marathon

Trail Run 10 km 21 km 42 km
Nov
26
Thursday

Plymouth Rock n Run

5 km 10 km
March 2027
Mar
1
Monday

Screenland 5K

5 km
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