New Year's One Day
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New Year's One Day

San Jose, California, United States
Dec 31, 2025
Running

About this race

Start the New Year running as far as you can or as little as you want. Sign up individually or as a team! The course is a 1.0 mile loop around Cottonwood Lake in popular Hellyer Park. USATF course certification (CA23033TEB).

Join fellow runners on December 31, 2025 for the New Year's One Day. It's a fantastic Ultra, 48.3K, 4.8K featuring a flat and fast course in San Jose.

Pick your distance

Running

24 hour Solo

Fixed-time event. Run/walk as far as you can or as little as you want! Special Note: After the start, runners do not have the option to change events.

Dec 31, 2025 Ultra 9:00 AM
$215.00
Closed

100 Mile

28 hr time limit. Special Note: This is considered a 100-mile race. After the start, runners do not have the option to change to the 24 hr, 12 hr, or 6 hr. 100-mile runners do not qualify for the 100K buckle or custom coaster.

Dec 31, 2025 Ultra 9:00 AM
$215.00
Closed

12 hour Solo

Fixed-time event. Run/walk as far as you can or as little as you want!

Dec 31, 2025 Ultra 9:00 AM
$130.00
Closed

6 hour Solo

Fixed-time event. Run/walk as far as you can or as little as you want!

Dec 31, 2025 48.3K 9:00 AM
$110.00
Closed

24 hour Team

Fixed-time event. Run/walk as far as you can or as little as you want as a team! Teams of 2-4 members will be issued a Race Belt to attach their team bib.. Each team member is required to complete at least one lap but they can complete as many, or as little, laps as they'd like. The team bib can only be transferred to another team member at the timing mat (S/F). 

Dec 31, 2025 Ultra 9:00 AM
$225.00
Closed

12 hour Team

Fixed-time event. Run/walk as far as you can or as little as you want as a team! Teams of 2-4 members will be issued a Race Belt to attach their team bib.. Each team member is required to complete at least one lap but they can complete as many, or as little, laps as they'd like. The team bib can only be transferred to another team member at the timing mat (S/F). 

Dec 31, 2025 Ultra 9:00 AM
$140.00
Closed

6 hour Team

Fixed-time event. Run/walk as far as you can or as little as you want as a team! Teams of 2-4 members will be issued a Race Belt to attach their team bib.. Each team member is required to complete at least one lap but they can complete as many, or as little, laps as they'd like. The team bib can only be transferred to another team member at the timing mat (S/F). 

Dec 31, 2025 48.3K 9:00 AM
$120.00
Closed

Coastal Testing

Dec 31, 2025 4.8K 8:55 AM
Free
Closed

Weather Overview

These values reflect historical conditions on the race dates in San Jose in 2025, from Open-Meteo archive data.

Temp (°C)
Minimum temperature (monthly average) 7.2° / Maximum temperature (monthly average) 12.3°
Feels Like (°C)
Minimum feels like (with wind chill; monthly average) 6.4° / Maximum feels like (with wind chill; monthly average) 12.3°
Wind (km/h)
Average wind speed (monthly average)
5.5
Precipitation (mm)
Average precipitation (monthly average)
18.3mm

About San Jose

New Year's One Day takes place in San Jose, California, United States. The local timezone is America/Los_Angeles.

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Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.

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