Shamrock'n Weekend
West Sacramento, California, United States
Mar 13-14, 2027 - Saturday to Sunday
5k, 10k, Half-marathon, Fun Run
Race Information
The Official Race of Cancer Survivorship
Saturday, promises to be a day of FUN! Run/Walk the 5k or 10k and then enjoy watching the little ones chase a Leprechaun for the 1/2 mile Dash. Rock to the music on the course, finish on the field and enjoy post-race festivities, beer and food. It's a party you don't want to miss!
Sunday: Half Marathon
13.1 is filled with fun! Live music, crazy costumes, on-field finish, post-race beer and food - It's a party you don't want to miss!
Feeling ambitious? Run the 5K or 10K on Saturday plus the Half marathon on Sunday and receive a third Doubleheader medal plus a commemorative Doubleheader tech shirt.
Run Pick of the Month - Bay to Breakers
Get ready to be part of history! Bay to Breakers isn't just a 12K; it's the oldest consecutively run annual footrace in the world, held in May 2026.
A legendary staple of the City by the Bay since May 1912, this race has been interwoven into the very fabric of San Francisco, creating a wild, beautiful, and unforgettable celebration of life, community, and pure, unadulterated fun.
The classic 12K is amazing, but if you're looking for an extra push, you're covered with the Breakers Bonus 3K. Turn your run into an epic 15K challenge and make your Bay to Breakers experience even bigger, bolder, and wilder.
Lace up and get ready for a course that takes you through the most iconic, vibrant neighborhoods in the world. Click the button below to get all the details.
Don't just run a race, join a legend.
Free Plan for Beginner Runners
Receive a FREE training plan for beginner runners from our friends at None to Run
Are you looking to become a runner for the first time? Coming back to running after a hiatus? Our friends at None to Run have created a training plan for beginner runners
The None to Run Beginner Plan is super gradual and achievable, no matter your starting point.
In 12 weeks, you’ll be able to run 25 minutes non-stop...and actually enjoy it!
Click the button below to get your free training plan.
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Race Facts
Race Size: 1,000 - 5,000
Course Type: Road
Boston Qualifier: No
Kids Run: Yes
Where to Stay
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