bull ring
n.— «Only a handful of the scores of tracks that the World of Outlaws drivers race on during the season are as short as the quarter-mile track at Princeton. Meyer noted that many racers refer to it as the bull ring.» —“High ternout for Outlaws spring event” by Joel Stottrup Union-Eagle (Princeton, Minn.) Aug. 3, 2005. (source: Double-Tongued Dictionary)