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Triathlon Calendar near Fountain Valley 2025-2026

Explore the top triathlons near Fountain Valley for 2025-2026! We've gathered 177 exciting races in the area. Check out our detailed list below to find your next local race.

February 2026
Feb
28
Saturday

SOCAL River Marathon

5 km 10 km 13 mi 26 mi
Feb
28
Saturday

Ocean Breeze Half Marathon - Long Beach

5 km 10 km 15 km Half Marathon
Feb - Mar
28-1
Sa - Su

L.A. Chinatown Firecracker 10K

5 km 10 km
Feb
28
Saturday

5K Run/Walk a Touch of Love Works

5 km
Feb
28
Saturday

Downey 5K

5 km
March 2026
Mar
7
Saturday

Bayshore 70.4 Triathlon

Triathlon
Mar
7
Saturday

Lakewood Run

5 km 10 km
Mar
7
Saturday

Bell Gardens 5K

5 km
Mar
8
Sunday

Los Angeles Marathon

26 mi
Mar
14
Saturday

Rockin' Shamrock Half Marathon - Long Beach

5 km 10 km 15 km Half Marathon
Mar
14
Saturday

Leprechaun Chase Half Marathon

5 km 10 km 10 mi Half Marathon
Mar
15
Sunday

Rodeo Run 10K

5 km 10 km
Mar
15
Sunday

The Long Beach Leprechaun Run Half Marathon

5 km 10 km 13 mi
Mar
21
Saturday

Beer City Half Long Beach

5 km 10 km Half Marathon
Mar
21-22
Sa - Su

SoCal Deka Fit

Obstacle Run 5 km
Mar
21
Saturday

With Hope 5K

5 km
Mar
21
Saturday

Spring Equinox Half Marathon - Long Beach

5 km 10 km 15 km Half Marathon
Mar
28-29
Sa - Su

Long Beach Half Marathon

5 km 10 km Half Marathon
Mar
28
Saturday

Run Seal Beach

5 km 10 km
April 2026
Apr
4
Saturday

Billy Goat Mountain Climb

Trail Run 10 km 13 mi 17 mi
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