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Triathlon Calendar near Downtown San Jose 2025-2026

Explore the top triathlons near Downtown San Jose for 2025-2026! We've gathered 79 exciting races in the area. Check out our detailed list below to find your next local race.

December 2025
Dec
27
Saturday

Brazen New Year's Eve

Trail Run 5 km 10 km 13 mi
Dec - Jan
31-1
We - Th

New Year's One Day

6 hr 12 hr 100 mi 24 hr
January 2026
Jan
1
Thursday

Brazen New Year's Day

Trail Run 5 km 10 km 13 mi
Jan
3
Saturday

Hacienda Hills Trail Run - Winter

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

Kiwanis Resolution 10K Run/Walk

5 km 10 km
Jan
31
Saturday

Coyote Hills Run

Trail Run 5 km 10 km 13 mi
Jan
31
Saturday

Race to the Flagpole

5 km 10 km
February 2026
Feb
7
Saturday

Mt. Umunhum Trail Conquest - Winter

Trail Run 5 km 7 mi ... 26 mi 50 km
Feb
21
Saturday

Redtail Ridge

Trail Run 5 km 10 km ... 30 km 50 km
March 2026
Mar
1
Sunday

Livermore Valley Half Marathon

5 km 13 mi
Mar
28
Saturday

Western Pacific Marathon

Trail Run 5 km 10 km 13 mi
April 2026
Apr
12
Sunday

Morgan Hill Wildflower Run

5 km 10 km
Apr
18
Saturday

Badger Cove Half Marathon

Trail Run 5 km 10 km 13 mi
May 2026
May
10
Sunday

Trailquake

Trail Run 5 km 10 km 13 mi
May
16
Saturday

Run for Amma

Trail Run 10 km 30 km 50 km
May
30-31
Sa - Su

Monterey Spartan Event Weekend

Obstacle Run 5 km 10 km
May
30
Saturday

San Jose Half Marathon

8 km 13 mi
May
30
Saturday

Beer City Half San Jose

5 km 10 km 13 mi
June 2026
Jun
20
Saturday

Silicon Valley PRIDE 5K

5 km 10 km
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