Dirt track racing is the heart of grassroots racing. Whether it’s IMCA Sport Modifieds or full-on modifieds, every dirt track racer knows the rush of sliding through corners and battling for position. Sport mods are where many new drivers start, learning the ropes before moving up. From the garage to the track, this is racing culture at its purest. #dirttrackracing #grassrootsracing #imcasportmodified #racingculture #sportmodified | Speedway Motors