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Triathlon Calendar near Santa Cruz 2025-2026

Explore the top triathlons near Santa Cruz for 2025-2026! We've gathered 15 exciting races in the area. Check out our detailed list below to find your next local race.

March 2025
Mar
15
Saturday

San Jose Shamrock Run

5 km 10 km
Mar
16
Sunday

Pi(e) Day Duathlon

Duathlon
Mar
22
Saturday

South Hills Single Track Trail Run - Spring

Trail Run 5 km 10 km ... 26 mi 50 km
Mar
23
Sunday

Horseshoe Lake Half Marathon

Trail Run 13 mi
Mar
29
Saturday

Terrible, Horrible, No Good, Very Bad Day 50K

Trail Run 10 mi 30 km 50 km
Mar
29
Saturday

Boardwalk Fun Run

5 km
Mar
29
Saturday

For the Bay 5K

5 km
Mar
29
Saturday

Run for Great Schools 5K

Mar
30
Sunday

Morgan Hill Wildflower Run

5 km 10 km
April 2025
Apr
5-6
Sa - Su

San Jose Spartan Trifecta Weekend

Obstacle Run 5 km 10 km 21 km 50 km
Apr
5
Saturday

Santa Teresa King Richard Annual Trail Run

Trail Run 5 km 10 km 10 mi 13 mi
Apr
5
Saturday

Steps for Strength: BAYS 5K

5 km
Apr
19
Saturday

Sierra Azul Trail Challenge

Trail Run 5 km 7 mi ... 26 mi 50 km
Apr
20
Sunday

Horseshoe Lake Trail Run

Trail Run 5 mi 13 mi ... 26 mi 50 km
Apr
27
Sunday

Surfer's Path Half Marathon

13 mi
Apr
27
Sunday

Big sur International Marathon

5 km 12 km ... 21 mi 26 mi
Apr
27
Sunday

Foster 5K - San Jose

5 km
May 2025
May
3
Saturday

Hacienda Hills Trail Run - Spring

Trail Run 5 km 10 km ... 26 mi 50 km
May
3
Saturday

Santa Clara Find-Your-Way 10K

10 km
May
4
Sunday

Cinco de Mile

5 km 10 km
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