Patuxent Pi Run
Lace up your running shoes for a 3.14 mile run/walk to celebrate the start of spring in Patuxent High School Cross Country team and math club’s sixth annual Pi Mile Run. Reciter of the most digits of pi wins a prize. Pies and refreshments served. Run at 9am; walk at 9:30am at the high school’s stadium, 12485 Southern Connector Blvd., Lusby. $25 w/discounts; rsvp: 410-535-7865; www.active. com/running/lusby-md/patuxent-pi-2013.