The NMRA operated Langhorne through the 1929 season, staging 100-lap events on Labor Days and occasional shorter races. Difficulties in track preparation, management disputes, and poor attendance drove the speedway to the brink of bankruptcy until noted promoter Ralph "Pappy" Hankinson took over in 1930. Hankinson brought in AAA Championship 100-lap races and continued to stage shorter sprint car racing events on the circular track. One of the first stock car races in the northeastern U.S. was held at Langhorne in 1940; Roy Hall of Atlanta, Georgia, was the victor in the 200-lap event.