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Triathlon Calendar near Seal Beach 2025-2026

Explore the top triathlons near Seal Beach for 2025-2026! We've gathered 155 exciting races in the area. Check out our detailed list below to find your next local race.

April 2026
Apr
4
Saturday

Billy Goat Mountain Climb

Trail Run 10 km 13 mi 17 mi
Apr
25
Saturday

Covina Fun Run

5 km
May 2026
May
2-3
Sa - Su

The Hoag OC Marathon

5 km 13 mi 26 mi
May
2
Saturday

SoCal's Cinco De Miles 5 Mile

5 km 5 mi
May
16
Saturday

O'Neill Park Trail Races

Trail Run 10 km 13 mi ... 26 mi 50 km
May
17
Sunday

Venice Beach Half Marathon

5 km 13 mi
May
31
Sunday

Long Beach Classic Half Marathon

5 km 13 mi
June 2026
Jun
6
Saturday

Wrigley River Run

5 km 10 km 10 mi
July 2026
Jul
4
Saturday

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

5 km
Jul
4
Saturday

Freedom Run on the Ranch

5 km 10 km
August 2026
Aug
30
Sunday

BRA Run - Los Angeles

5 km 13 km
October 2026
Oct
18
Sunday

Beverly Hills Run of the Stars

5 km
November 2026
Nov
7
Saturday

Saddleback Marathon

Trail Run 10 km 13 mi 26 mi
Nov
26
Thursday

Plymouth Rock n Run

5 km 10 km
March 2027
Mar
1
Monday

Screenland 5K

5 km
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