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Run for a Claus presented by Optima Tax Relief

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Irvine, California, United States

calendar_today 20 Dec, 2025

directions_run Running

About the Event

The OC Marathon Presents the 12th Annual Run For a Claus 5K and Kids 1 Mile Run/Walk benefiting various charity partners as well as our own Kids Run the OC Foundation. All runners will receive a commemorative 2025 giveaway, Santa Hat, a finisher's medal and free race photos. With cookies, costumes, holiday music and decorations, this will be fun for the whole family.

When you Run for a Claus, you can Run for a Cause!

Races Offered

5K

Dec 20, 2025

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Distance — 5K

terrain

Type — Running

timer

-66 days remaining

Weather Overview

These values represent the 3-year monthly averages for December in Irvine.

Temp (°C)

Feels Like (°C)

thermostat 9.5° / 19.8°

wb_sunny 7.4° / 17.7°

Wind (km/h)

Humidity (%)

air 5.7 /

water_drop 67.2%

Temp (°C)

Feels Like (°C)

Wind (km/h)

Humidity (%)

thermostat 9.5° / 19.8°

wb_sunny 7.4° / 17.7°

air 5.7 km/h

water_drop 67.2%

About Irvine

Learn more about the host city, Irvine.

Irvine is a city of 308,000 people (2020) in Orange County, California. Irvine is one of the newest and largest cities in Orange County, and it is still growing. The city is a perfectly planned suburbia. The Irvine Company started developing the area in the 1960s and the city was formally incorporated on December 28, 1971.