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New Year's One Day

San Jose, California · Thursday, December 31, 2026 · 100 Mile, 50 Mile, 30 Miles, 5K

Official race page & registration ↗

New Year's One Day takes place on Thursday, December 31, 2026 in San Jose, California. The race offers 4 distances: 100 Mile, 50 Mile, 30 Miles, 5K. For anyone travelling in, Alum Rock is about 6 miles away and Sunnyvale is about 13 miles away.

It is one of 123 races on the California calendar that December. At $90, entry sits above the $50 median for a California ultra. Unusually for a race, it falls on a Thursday.

Date
Thursday, December 31, 2026
Location
San Jose, California
Distances
100 Mile, 50 Mile, 30 Miles, 5K
Entry fee
from $90

Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.

Making a race weekend of it?

Stay near the start line in San Jose: check in Dec 30, out Jan 1.

Hotels on Booking.com ↗ Hotels on Expedia ↗

Common questions

When is New Year's One Day?

New Year's One Day is scheduled for Thursday, December 31, 2026.

Where is New Year's One Day held?

New Year's One Day is held in San Jose, California. It is about 6 miles from Alum Rock and 13 miles from Sunnyvale.

What distances does New Year's One Day offer?

The listed distances are 100 Mile, 50 Mile, 30 Miles, 5K.

How much does New Year's One Day cost?

Entry is listed from $90. Check the official race page for the current price, which usually rises closer to race day.

How do I register for New Year's One Day?

Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.

More races nearby

See every race on the California calendar, all San Jose races, California 5Ks, California Ultras, or use the Race Finder for maps and filters.