New Year's One Day
About this race
Join fellow runners on December 31, 2026 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.
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.
12 hour Solo
Fixed-time event. Run/walk as far as you can or as little as you want!
6 hour Solo
Fixed-time event. Run/walk as far as you can or as little as you want!
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).
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).
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).
Coastal Testing
Weather Overview
These values represent the 5-year monthly averages for December in San Jose.
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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🏃 Plan Your Next Race in San Jose
Find upcoming events by distance:
- San Jose 5K Races Best San Jose routes for beginners and speed work.
- 10K Run Events in San Jose The most popular local distance in California.
- San Jose Half Marathons Top-rated 21.1K courses in the San Jose area.
- Marathons in San Jose Scenic 42.2K routes and San Jose Boston qualifiers.
- San Jose Running Calendar 2026 See all upcoming race dates.
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.
