The 1988 Winston 200 was the 5th stock car race of the 1988 NASCAR Winston West Series season. The race was held on Sunday, July 10, 1988, at Portland Speedway, a 0.500 mile (0.804 km) oval shaped racetrack in Portland, Oregon. The race took the scheduled 200 laps to complete. Derrike Cope won the race, his first and only win of the season. Cope won the race by 3.47 seconds over Hershel McGriff. During a late caution, Cope made a pit stop, but quickly regained the lead from Roy Smith en route to victory. Smith, Bill Sedgwick, and Bill Schmitt rounded out the top five. Report. Background. Portland Speedway was a half-mile race track located in Portland, Oregon. The track began as a five-eighths-mile (one km) clay oval in 1924 on the site of a field in north Portland. The track hosted big cars, midget cars, and stock cars before the suspension of racing during World War II. It was paved in 1946 as a half-mile oval. The 1988 Winston 200 was one of 36 NASCAR Winston West Series races held at the track. Qualifying. Bill Schmitt won the pole with an average speed of 86.659 mph.