New Year's One Day
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Event overview
New Year's One Day is an overnight running event held December 31 to January 1, 2026, in San Jose, CA (Hellyer County Park, Buena Vista Pavilion). The event offers individual and team timed events on a loop course.
Available events:
- 24 hour Solo
- 100 Mile
- 12 hour Solo
- 6 hour Solo
- 24 hour Team
- 12 hour Team
- 6 hour Team
Course and logistics
The course is a loop around Cottonwood Lake in Hellyer Park. Each lap is 1.03 miles on an asphalt path. The course has USATF certification CA23033TEB and is described as relatively flat. The course is not lighted at night.
Timing is by bibtag chip with each lap recorded and real-time lap splits shown at the start/finish area. Aid stations are located about every mile and offer fresh fruit, salty snacks, candy, water, and Skratch electrolyte drink; hot soup and pizza are provided in the evening. The event is cupless; participants must bring their own reusable fluid container. Runners may set up tents, tables, chairs, and coolers along the course. Portable toilets are adjacent to the start/finish area. Parking is listed at $6 per vehicle. To guarantee a shirt, registration should be completed at least 10 business days before the event; a mid-layer embroidered fleece is guaranteed with registration one month before. Awards include finisher items, medals by category, belt buckles for certain achievements, and cash awards for overall top finishers. Visit the organization's website for the most recent information.