Santa Ana close

Triathlon Calendar near Santa Ana 2025-2026

Explore the top triathlons near Santa Ana for 2025-2026! We've gathered 109 exciting races in the area. Check out our detailed list below to find your next local race.

May 2025
May
3-4
Sa - Su

The Hoag OC Marathon

5 km 13 mi 26 mi
May
3
Saturday

Cinco de Mayo Half Marathon - Long Beach

5 km 10 km 15 km 13 mi
May
3
Saturday

Santa Fe Springs 5K Fun Run/Walk

5 km
May
4
Sunday

SoCal's Cinco De Miles 5 Mile

5 km 5 mi
May
4
Sunday

The Empire Strides Back Half Marathon

5 km 10 km 13 mi
May
10
Saturday

John Wayne Grit Series - Newport Coast

Trail Run 5 km 25 km 50 km
May
10
Saturday

The Lynwood 10K Run

5 km 10 km
May
10
Saturday

Mother's Day Half Marathon - Long Beach

5 km 10 km 15 km 13 mi
May
10
Saturday

Night Nation Run - Orange County

5 km
May
11
Sunday

Run for the Rose Half Marathon

5 km 10 km 10 mi 13 mi
May
17
Saturday

O'Neill Park Trail Races

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

Beach Fiesta Half Marathon - Long Beach

5 km 10 km 15 km 13 mi
May
17
Saturday

KID-FIT Family Fun Run 5K

5 km
May
17
Saturday

SoCal's Pirate's 10k Run/Walk

5 km 10 km
May
18
Sunday

Great Donut Run 5k

5 km
May
24-25
Sa - Su

Nanny Goat

Trail Run 6 hr 12 hr 100 mi 24 hr
May
24
Saturday

Run to Remember Half Marathon - Long Beach

5 km 10 km 15 km 13 mi
May
26
Monday

Laguna Hills Memorial Day Half Marathon

5 km 10 km 13 mi
May
26
Monday

Memorial Day Half Marathon - Long Beach

May
31
Saturday

Wrigley River Run

5 km 10 km 10 mi
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