San Marcos close

Triathlon Calendar near San Marcos 2025-2026

Explore the top triathlons near San Marcos for 2025-2026! We've gathered 14 exciting races in the area. Check out our detailed list below to find your next local race.

August 2025
Aug
3
Sunday

Gaslamp Run 10k

5 km 10 km
Aug
15
Friday

South Bay 24

Backyard Ultra
Aug
17
Sunday

America's Finest City Half Marathon

5 km 13 mi
October 2025
Oct
4
Saturday

Pacific Beach Half Marathon

5 km 13 mi
Oct
19
Sunday

SD HipHop 5k

5 km
Oct
19
Sunday

Lake Hodges Off-Road Duathlon

Duathlon
Oct
25
Saturday

San Diego HFTC 5k

5 km
Oct
26
Sunday

Crown Point Marathon

5 km 8 km 13 mi 26 mi
November 2025
Nov
1
Saturday

Thrive San Diego Half Marathon

5 km 13 mi
Nov
2
Sunday

Temecula Half Marathon

5 km 10 km 13 mi
Nov
27
Thursday

Temecula Turkey Trot & Food Drive

5 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
Dec
20
Saturday

San Diego Holiday Half Marathon

13 mi
January 2026
Jan
10
Saturday

Resolution Run

5 km 10 km 13 mi
Jan
18
Sunday

Carlsbad Marathon

5 km 13 mi 16 mi 26 mi
February 2026
Feb
14
Saturday

The Ranch 50K

Trail Run 13 mi 50 km
Feb
20
Friday

San Pasqual Valley Trail Race

Trail Run
Articles
Mizuno Wave Rider 28: Elevating the Legacy of a Running Icon
Garmin Forerunner Review: Garmin Forerunner Series
Stride with Confidence: A Comprehensive Guide to Saucony Running Shoes
Essential Running Form Techniques for Enhanced Performance and Injury Prevention