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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.

June 2026
Jun
13
Saturday

ABWR Half Marathon - Griffith Park

Trail Run 5 km 10 km 15 km Half Marathon
Jun
20
Saturday

SoCal's Pirate's Run

5 km 10 km
Jun
20
Saturday

Mission Possible Run

5 km 10 km
July 2026
Jul
4
Saturday

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

5 km
Jul
4
Saturday

Palisades Will Rogers 5K Run

5 km
Jul
11
Saturday

Endless Summer in the LBC Half Marathon

5 km 10 km Half Marathon
Jul
18
Saturday

Harding Hustle

Trail Run 15 km 30 km 50 km
Jul
18
Saturday

Conquer The Pier

5 km
Jul
18
Saturday

ABWR Half Marathon - Griffith Park

Trail Run 5 km 10 km 15 km Half Marathon
Jul
25
Saturday

Good Vibes Run Half Marathon

5 km 10 km Half Marathon
August 2026
Aug
1
Saturday

Conquer the Overlook 5K

5 km
Aug
9
Sunday

Hermosa Beach Triathlon

Triathlon
Aug
9
Sunday

Sundae Funday - Ice Cream Run Half Marathon

5 km 10 km Half Marathon
Aug
16
Sunday

Heroes 4 Hearing 5K

5 km
Aug
23
Sunday

Splash Dash 5k

5 km
Aug
23
Sunday

Californian Dreamin Half Marathon

5 km 10 km Half Marathon
Aug
30
Sunday

BRA Run - Los Angeles

5 km 13 km
September 2026
Sep
20
Sunday

Miles for Mamas Walk/Run

5 km
Sep
26
Saturday

Ascot Hills Challenge 5K

Trail Run 5 km
Sep
27
Sunday

Socal's Tiki Beach 5k & 10k Run/Walk

5 km 10 km
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