Harley-Davidson swept the 1958 racing Grand National competition held in Du Quoin, IL, marking the fifth straight year that Harley was first in the nation. Leading the pack was Carroll Resweber with 36 points. One point behind was Joe Leonard in second place. Three new AMA records were set: Joe Leonard won the 200-mile Beach-Road Course in 1 hour, 59 minutes, 11.3 seconds and the 50-mile, 1-mile dirt track in 34 min, 33 sec; and Carroll Resweber led the 20-mile, 1-mile dirt track race in 14 min, 5.12 sec. Harley had an additional seven outstanding victories throughout the year.