Striders run -- The Howard County Striders will hold its Winter Series Race 7 (5K) at 2 p.m. Sunday at Atholton High School, 6520 Freetown Road, Columbia. 410-964-1998. Dwight Mikulis, 410-531-2887. The Striders will offer B.U.R.P. - "Beginning 'Ur Running Program" - for men who want to establish a habit of running. All levels of experience and fitness are welcome. The six-week program, which will meet at 6:30 p.m. Tuesdays, will begin March 20 at Oakland Mills High School. The cost is $10 for Striders membership plus $15 for the program. Applications: www.striders.net, and click on "Programs & Running Groups," then click on "BURP."