5Ks within 25 mi of Castro Valley, CA
17+ races
Cookie Run 5K/10K/13.1 SAN FRANCISCO
San Mateo, CAIn 3 daysfrom $30
- 1 mi
- 5K
- 10K
- Half
from $30View details
Coffee Lovers Run 5K/10K/13.1 SAN FRANCISCO
San Mateo, CAIn 3 daysfrom $30
- 1 mi
- 5K
- 10K
- Half
from $30View details
Lafayette Res Run for Education
Lafayette, CAIn 3 daysfrom $40
- 2 mi
- 2.4 mi
- 5K
- 10K
from $40View details
East Bay Front Runners Pride Run and Walk
Oakland, CAIn 3 days$40
- 5K
- 10K
$40View details
Reservoir Dogs
El Sobrante, CAIn 3 daysRegistration closed
- 5K
- 10K
- 13.9 mi
- 23 mi
Registration closedView details
The Run for Education
San Ramon, CAIn 4 daysRegistration closed
- 5K
- 10K
Registration closedView details
The Donut Fun Run 2026
Alameda, CAIn 10 days$60
- 5K
$60View details
Howlin' Moon 2026
San Francisco, CA2 wks outfrom $18
- 1K
- 2K
- 5K
from $18View detailsPleasanton Rotary Halloween Spirit Run
Pleasanton, CA2 wks outfrom $25
- 100 yd
- 5K
- 10K
from $25View details
USS Hornet Halloween 5k
Alameda, CA3 wks outRegistration closed
- 5K
Registration closedView details
PB&J Fuel Run 5K/10K/13.1 SAN FRANCISCO
San Francisco, CA3 wks outfrom $30
- 1 mi
- 5K
- 10K
- Half
from $30View details
Halloween Trick or Trot Run 5K/10K/13.1 SAN FRANCISCO
San Francisco, CA3 wks outfrom $30
- 1 mi
- 5K
- 10K
- Half
from $30View details
Gardner Health Services 2026 Día de los Muertos Run-Walk
San Jose, CA3 wks outfrom $30
- 5K
from $30View details
Oakland Tech 5km/1 mile Race/Run/Walk Fundraiser
Oakland, CA3 wks outfrom $30
- 1 mi
- 5K
from $30View details
Beer City Half
Various Cities in, CA4 wks outFree
- 5K
FreeView details
RunThrough San Francisco at Crissy Field 5k, 100k & Half Marathon
San Francisco, CA4 wks outfrom $43.63
- 5K
- 10K
- Half
from $43.63View details
Lake Chabot Trail Run
Castro Valley, CA4 wks outfrom $0
- 0.03 mi
- 2 mi
- 5K
- 4.8 mi
- Half
- +3
from $0View details
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