Original sentence: By comparison, the King Abdul Aziz racetrack in Riyadh, Saudi Arabia, has a mile-and-a-quarter (2,012 m)  main track (as does Colonial Downs in Virginia), while Aqueduct is a mile and an eighth (1,811 m).On the Main Track, it is 1,097 feet (334 m) from the top of the stretch to the finish line, and the segment between the wire and the start of the first (clubhouse) turn covers 843 feet (257 m) (this latter segment is shorter by approximately 165 feet [50 m] on both of the turf courses, in order to accommodate the two chutes that exist on the Widener Turf Course, from which turf races of one mile [1,609 m] and 1 1/16 miles [1,710 m] are started; an additional chute exists for 1 1/16-mile [1,710 m] races on the inner turf course).San Isidro Hippodrome in Buenos Aires, Argentina has a 1 7/8 miles grass track and an inner dirt track measuring around 1 5/8 miles.Saudi Arabian racing once featured a course in old Riyadh from nine to 12 miles (14 to 19 km) in length).The dirt racecourse — known officially as the Main Track and nicknamed Big Sandy by racing followers — has a circumference of 1½ miles (2,414 m), the longest dirt thoroughbred racetrack in North America
Edited sentence: By comparison, the King Abdul Aziz racetrack in Riyadh, Saudi Arabia, has a  main track (as does Colonial Downs in Virginia), while Aqueduct is a.On the Main Track, it is ) from the top of the stretch to the finish line, and the segment between the wire and the start of the first (clubhouse) turn covers ; this latter segment is shorter by approximately  on both of the turf courses, in order to accommodate the two chutes that exist on the Widener Turf Course, from which turf races of  and  are started; an additional chute exists for  races on the inner turf course.San Isidro Hippodrome in Buenos Aires, Argentina has a  grass track and an inner dirt track measuring around.Saudi Arabian racing once featured a course in old Riyadh from  to  in length).The dirt racecourse — known officially as the Main Track and nicknamed Big Sandy by racing followers — has a circumference of , the longest dirt thoroughbred racetrack in North America