Brazen New Years Day Runs
Race Date
Jan 1, 2027
Location
Castro Valley, CA
Quick facts
- Date
- Friday, January 1, 2027
- Location
- Castro Valley, California
- Distance
- Half marathon (13.1 mi)
- Course
- Loop Course
- Terrain
- Road
- USATF certified
- Not listed
Course Info
Course Type
Loop Course
Terrain
road
Difficulty
Rolling Hills
Quality Score
first year
no finisher counts yet
small race — neutral
needs a few years of results
limited extras
no finisher data yet
no winner time yet
typical high 55°F
Race Day Weather
5-year historical avgStart (Low)
44°
Afternoon (High)
55°
Ideal racing weather — cool and comfortable
0.4"
Precipitation
11 mph
Wind
84%
Humidity
Frequently asked
When is the Brazen New Years Day Runs?
The Brazen New Years Day Runs is held on Friday, January 1, 2027.
Where does the Brazen New Years Day Runs take place?
It takes place in Castro Valley, California.
What distances does the Brazen New Years Day Runs offer?
The half marathon (13.1 miles).
Is the Brazen New Years Day Runs course flat and good for a PR?
The Brazen New Years Day Runs is a rolling hills, loop course course.
HalfRuns editorial — independent, no paid placement.
The weekly roundup
More races like Brazen New Years Day Runs, every Thursday.
Standout upcoming half marathons and fresh results in one short email. Free, and one click to leave.
Explore More Journeys
Can't make it to Castro Valley? Discover other experiences that match your running style.
Search All Races

