New Year's One Day logo
Running

New Year's One Day

Date
December 31, 2026
Distance
24 hour Solo · 100 Mile · 12 hour Solo & more
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From the Organizer

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).

 

Events

24 hour Solo9 AMRegister →
100 Mile9 AMRegister →
12 hour Solo9 AMRegister →
6 hour Solo9 AMRegister →
24 hour Team9 AMRegister →
12 hour Team9 AMRegister →
6 hour Team9 AMRegister →
Coastal Testing8:55 AMRegister →

Weather

Typical Conditions

It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.

Typical High

58°

Typical Low

42°

Chance of Rain

34%

Based on US Climate Normals data from San Jose, 4 mi from the venue.

Sunrise 7:22 AMSunset 5:00 PMDaylight 9h 38m

Host City

About San Jose, CA

Population

990,054

as of 2023

Elevation

104 ft

Nearest Airport

SJC

Norman Y. Mineta San Jose International Airport · 4 mi

Time Zone

Pacific Time

From Endurance Grid

A big city race. Expect multiple lodging options and plenty to do the day before.

Race Location

Your Next Start Line

What Are You
Waiting For?

Every finish line starts with a single decision. Claim your spot at New Year's One Day, put it on the calendar, and turn “someday” into a start date.

206

Days to train

Race
New Year's One Day
Date
December 31, 2026

From Endurance Grid

About This Sport

Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.

With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.

Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.

Read the Guide

Running

From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.

Frequently Asked Questions (FAQs)

What is the New Year's One Day?
New Year's One Day is a running race held in San Jose, California on December 31, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more running races near you or explore our sports guides to learn what race day actually feels like.
When and where is the New Year's One Day?
Thursday, December 31, 2026 in San Jose, California at Hellyer County Park (Buena Vista Pavilion), San Jose, CA. Check the event page for exact start times and wave schedules.
How do I register for the New Year's One Day?
Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.

New Year's One Day

Dec 31, 2026

Register →