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Trail Running Calendar near Brea 2025-2026

Explore the top trail runs near Brea for 2025-2026! We've gathered 170 exciting races in the area. Check out our detailed list below to find your next local race.

May 2026
May
31
Sunday

Long Beach Classic Half Marathon

5 km 21 km
June 2026
Jun
6
Saturday

Wrigley River Run

5 km 10 km 10 mi 13 mi
Jun
13
Saturday

Phoenix Rising Half Marathon - Los Angeles

Trail Run 5 km 10 km 15 km 21 km
Jun
20
Saturday

Jade's Furry Friends 5K

5 km
July 2026
Jul
4
Saturday

IRVINE 4th of July-Red, White, & Blue 5k

5 km 6 mi
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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