The 1999 O'Reilly Auto Parts 200 was a Craftsman Truck Series event held at I-70 Speedway on May 22, 1999. Jack Sprague led 73 of the 204 laps, including the last few as he held off Dennis Setzer on a green-white-checkered. Sprague took the points lead for the first time all year, holding slim one point margin on Ron Hornaday (11th). Stats