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Triathlon Calendar near Oceanside 2025-2026

Explore the top triathlons near Oceanside for 2025-2026! We've gathered 36 exciting races in the area. Check out our detailed list below to find your next local race.

October 2025
Oct
11
Saturday

The Butterfly Run - Black Mountain Ranch

5 km
Oct
19
Sunday

Encinitas Beach Run

Trail Run 5 km 10 km
Oct
19
Sunday

SeaWorld Howl-O-Sprint

3 mi
Oct
25
Saturday

Caspers Trail Races

Trail Run 10 km 13 mi ... Marathon 50 km
November 2025
Nov
2
Sunday

Temecula Half Marathon

5 km 10 km Half Marathon
Nov
8
Saturday

It's a Good Life 5 Miler

5 mi
Nov
15
Saturday

Gratitude 5K Run for Global Awareness

5 km
Nov
23
Sunday

Nun Run 5K

5 km
Nov
23
Sunday

Red Tail Roost Agua Dulce Loop Trail

Trail Run 5 mi
Nov
27
Thursday

Temecula Turkey Trot & Food Drive

5 km
Nov
27
Thursday

Dana Point Turkey Trot

5 km 10 km 15 km
Nov
27
Thursday

Turkey Trot on The Ranch

5 km 10 km
Nov
27
Thursday

Encinitas Turkey Trot

5 km 10 km
Nov
27
Thursday

O'side Turkey Trot

5 km
December 2025
Dec
7
Sunday

Keepin' It Rural

Trail Run 5 km 10 km
Dec
13
Saturday

San Diego Santa Run

5 km
Dec
13
Saturday

Dixon Lake Trail Race

Trail Run 4 mi 6 mi 10 mi
Dec
13
Saturday

Lights for Life

5 km
Dec
20
Saturday

A Charlie Brown Christmas 10K - San Diego, CA

5 km 10 km
January 2026
Jan
4
Sunday

Del Dios Trail Race

Trail Run 5 km 10 km Half Marathon 50 km
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