Brazen New Year's Eve 2027
- Date
- Friday, January 1, 2027
- Start time
- 8:30 AM start (Los Angeles)
- Location
- Castro Valley, California
- Entry fee
- From $68 · goes up to $100 on Oct 3, 2026
- Included with entry
- Includes a shirt
- Fundraising
- Takes optional donations when you register
Registration is open.
We earn a small commission when you register through this link, at no cost to you. Details
Official race websiteAdd to calendar: Apple or Outlook · Google
Events and entry fees
| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| NYE HALF MARATHON | Half Marathon | Jan 1, 20278:30 AM | $95$100 after Oct 3, 2026 | – |
| NYE 10K | 10K | Jan 1, 20278:55 AM | $77$82 after Oct 3, 2026 | – |
| NYE 5K | 5K | Jan 1, 20279:10 AM | $68$73 after Oct 25, 2026 | – |
| NYE REMOTE RUNNERVirtual | – | Jan 1, 20277:30 AM | $50$55 after Dec 5, 2026 | – |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
The Half Marathon fee goes up to $100 on Oct 3, 2026.
Race day planning
Entry fee schedule
- NYE HALF MARATHON: $95 until Oct 3, then $100 until Dec 5, then $105 until Jan 2.
- NYE 10K: $77 until Oct 3, then $82 until Dec 5, then $87 until Jan 2.
- NYE 5K: $68 until Oct 25, then $73 until Nov 29, then $78 until Jan 1.
Online registration closes Jan 2, 2027, unless the race fills first.
How the price compares
At $95, entry is about 90 percent above a typical half marathon in California, which costs $50 right now.
What a typical finish looks like
A typical finisher at a half marathon in Castro Valley runs 2:29:48, about 11:26 a mile, based on 6 races with published results. Women typically finish in 2:39:03 and men in 2:28:46.
Light and altitude
Sunrise on race morning is at about 7:23 AM, and the NYE HALF MARATHON starts at 8:30 AM. The start sits about 640 feet above sea level.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Start location and course
17600 Lake Chabot Road, Castro Valley, CA 94546
The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.
Typical race-day weather
Around January 1 the day usually runs from 42°F at dawn to 56°F in the afternoon, with measurable rain on about 43% of days. Cold snaps dip to 35°F and hot years reach 60°F.
Based on 75 days within a week of the date over the last 6 years, from historical weather for the start area. Not a forecast.
Race details
- Where
- 17600 Lake Chabot Road, Castro Valley, CA 94546Map
- Course
- Road
- Start elevation
- About 640 feet
- Included with entry
- NYE Race Shirt
- Donations
- Accepted when you register
- Distances
- 5K, 10K, Half Marathon
- Editions
- 2027 (Jan 1, 2027)
Organize this race? Add details or a correction
Plan your race
Quick answers
- When is Brazen New Year's Eve?
- Friday, January 1, 2027, starting at 8:30 AM.
- How much does it cost?
- Entry starts at $68 before processing fees, and rises to $100 on Oct 3, 2026.
- When does registration close?
- Online registration closes Jan 2, 2027, unless the race fills first.
- Is the entry fee high for California?
- At $95, entry is about 90 percent above a typical half marathon in California, which costs $50 right now.
- Do runners get a shirt or medal?
- Entry includes a shirt, according to the race's registration page. Check it for sizes and whether kids' races get the same.
- Can I donate to a cause when I register?
- Yes. The registration form offers an optional donation, usually for the charity or nonprofit the race supports. The race's own page names the cause.
- What distances can I run?
- 5K, 10K, Half Marathon.
- Where does it start?
- 17600 Lake Chabot Road, Castro Valley, CA 94546.
From the organizers
Whether you're looking to squeeze in your first trail run or you're looking to log that 1,000th mile before the clock strikes midnight on 12/31/2026, this is your chance.
Note: This year we will have back-to-back events at Lake Chabot, Castro Valley with a 5K, 10K and half marathon!
New Year's Eve, Thursday, 12/31/2026
New Year's Day, Friday, 1/1/2027*
Make it a double and join us both days and earn the Brazen New Year Mega-Medal!
*Note: Each race is a unique event on its own and requires separate registration.