Castro Valley close

Running Calendar near Castro Valley 2025-2026

Explore the top running races near Castro Valley for 2025-2026! We've gathered 113 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons
June 2026
Jun
13
Saturday

SF Half Day

Backyard Ultra 3 hr 6 hr 12 hr
Jun
20
Saturday

Silicon Valley PRIDE 5K

5 km 10 km
Jun
27
Saturday

Stars and Strides 10K Run/Walk

5 km 10 km
July 2026
Jul
4
Saturday

Alameda Parade R.A.C.E.

5 km
Jul
11
Saturday

Lookin' for a Cure Palo Alto

5 km
August 2026
Aug
2
Sunday

Skyline 50k Endurance Run

Trail Run 50 km
Aug
15
Saturday

Beer City Half Marathon

5 km 10 km Half Marathon
Aug
15
Saturday

Falcon 5K - Pleasant Hill

5 km
Aug
22
Saturday

We Run Oakland: For Our Children

5 km
September 2026
Sep
19
Saturday

Newark Mile 4k

4 km
Sep
26
Saturday

Dick Collins Firetrails

Trail Run 30 km Marathon 50 mi 100 km
October 2026
Oct
3-4
Sa - Su

Rock 'n' Roll San Jose

5 km 10 km Half Marathon
Oct
11
Sunday

Run for Education

2 mi 5 km 10 km
Articles
Top 10 Marathons in the Netherlands — The Ultimate Dutch Marathon Bucket List: 10 Unmissable Races
The Beauty of the Easy Run — Why slowing down might be the smartest thing you do for your running
Mizuno Wave Rider 28: Elevating the Legacy of a Running Icon
Garmin Forerunner Review: Garmin Forerunner Series