Your March Virtual Race is here. The OC Marathon is proud to join other races from across the country to bring you America's Shamrock Run!

This race has all of our favorite things - an amazing SWAG package, a deserving benefitting charity (St. Jude's Children's Research Hospital)  and the support of the running community!  Join us in celebrating St. Patrick's Day and register now for America's Shamrock run! We're partnering with other local St. Patrick's-themed runs around the country for America's Shamrock Run—the family-friendly St. Patrick's Day event you've been looking for. Lace up those running shoes and choose the distance YOU want to run or walk. You'll receive our award-winning swag, finisher's medal, and baseball hat, shipped right to you.

Remember, this run is all about YOU! Can't run on St. Patrick's Day? That's okay—choose the March date that works best for you. We encourage you to rally your family and friends near and far and join us as we run in support of St. Jude Children's Research Hospital® and their mission to end childhood cancer and other life-threatening diseases.

Your Registration Includes:

  • Full zipped jacket with hood and side pockets in adult and youth sizes. View size chart .
  • Celtic inspired finisher's medal
  • Hat
  • Personalized race bib

Race packets will begin shipping March 8, 2021.

Our Official Race Charity:
St. Jude Children's Research Hospital®

St. Jude Children’s Research Hospital is leading the way the world understands, treats and defeats childhood cancer and other life-threatening diseases. Your support will help ensure that families never receive a bill from St. Jude for treatment, travel, housing or food—because all they should worry about is helping their child live.
Together, let's run to help end childhood cancer and other life-threatening diseases.