31Dec
NYE 10K
Running
- Distance
- 10km
- Start time
- 07:30
- Entry fee
- $84.45
Brazen New Year's Eve 2026
Castro Valley,
California,
United States
59 days left
raceroster.com
Date
31 Dec, 2026
Races
4 distances
Entry fee
$55.63 – $103.66
Runner rating
Be the first to rate
Website
Official website
Brazen New Year's Eve 2026
Races offered
31Dec
NYE 5K
Running
- Distance
- 5km
- Start time
- 07:30
- Entry fee
- $74.84
31Dec
NYE Half Marathon
Running
- Distance
- 21km
- Start time
- 07:30
- Entry fee
- $103.66
31Dec
NYE Remote
Running
- Distance
- NYE Remote
- Start time
- 07:30
- Entry fee
- $55.63
Weather history
3-year monthly averages for December in Castro Valley.
Temperature7.1° / 14.9°
Feels like4.7° / 13.5°
Sunshine hours6h 43m
Rainfall4.2 mm
Snowfall—
Wind7.8 km/h (Light breeze)
Humidity84.6%
Max UV indexLow (2.0)
Sweat lossLow
Course conditionsFirm and slightly soft
Sunrise08:15
Sunset17:52
About Castro Valley
Learn more about the host city, Castro Valley.
Castro Valley is an unincorporated town in the inner East Bay in the Bay Area of California. It has a population of about 60,000 and is located north of Hayward and east of San Leandro and south of the Oakland hills. Since it is unincorporated, Castro Valley is governed by the County of Alameda, which has its county seat in Oakland.
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Tours and activities near Castro Valley, powered by Viator.
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