Upcoming Races & Club Events « All Events This event has passed. Shamrock Shuffle March 31, 2019 « Shamrock Half Marathon Ironman 70.3 California Oceanside » Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live Details Date: March 31, 2019 Website: http://www.millenniumrunning.com/shamrock Organizer Millennium Running View Organizer Website