Shamrocks & Shenanigans, a 5K run/walk and kids 1K and dash, will take place in downtown Ann Arbor on Sunday, March 8. The first event begins bright and early at 9 a.m., and registration costs $10 to $45 depending on the race and when you register. Proceeds from the race will benefit Save a Heart, an organization that benefits patients and families of the Michigan Congenital Heart Center at C.S. Mott Children’s Hospital. Online registration is available, and packet pick-up takes place at Conor O’Neills. For more information, visit http://www.runshamrocks.com.