Round 21 of 26
Tulsa Speedway · Tulsa, OK · August 22, 1981 · 0.5 mi (0.8 km) Half-Mile
AMA Grand National Championship
GNC Main Event · 14 starters
Open a row for grid to finish, laps led, best-lap rank and every sponsor. "Behind winner" and "Behind rider ahead" are in seconds; riders a lap or more down show laps.