Downtown San Jose close

Trail Running Calendar near Downtown San Jose 2025-2026

Explore the top trail runs near Downtown San Jose for 2025-2026! We've gathered 80 exciting races in the area. Check out our detailed list below to find your next local race.

October 2025
Oct
11
Saturday

Mt. Umunhum Trail Conquest-Fall

Trail Run 5 km 7 mi ... 26 mi 50 km
Oct
12
Sunday

Diwali Fun Run

5 km 10 km
Oct
25
Saturday

Haunted Hills 10K Redwood City

Trail Run 5 km 10 km
November 2025
Nov
1
Saturday

Zombierunner Halloween

Trail Run 5 km 10 km 13 mi 26 mi
Nov
1
Saturday

Almaden Hills Trail Run - Fall

Trail Run 5 km 10 km ... 26 mi 50 km
Nov
8
Saturday

Lake Chabot Trail Run

Trail Run 8 km 13 mi ... 26 mi 50 km
Nov
8
Saturday

Rancho Hills Trail Run - Fall

Trail Run 5 km 10 km ... 26 mi 50 km
Nov
27
Thursday

Zoom Turkey Trot

Trail Run 5 km 10 km 13 mi
Nov
29
Saturday

Quarry Turkey Half Marathon

Trail Run 5 km 10 km 13 mi
December 2025
Dec
6
Saturday

Zombierunner Quarry Lakes

Trail Run 5 km 10 km ... 30 km 26 mi
Dec
6
Saturday

Calero Trail Run - Winter

Trail Run 5 km 10 km ... 26 mi 50 km
Dec
13
Saturday

Summit Rock Half Marathon

Trail Run 5 km 10 km 13 mi
Dec
27
Saturday

Brazen Almost New Year's Eve

5 km 10 km 13 mi
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
24
Saturday

Coyote Hills Run

Trail Run 5 km 10 km 13 mi
February 2026
Feb
7
Saturday

Mt. Umunhum Trail Conquest - Winter

Trail Run 5 km 7 mi ... 26 mi 50 km
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