CDR Tech Track June 14 1981CDR Tech TrackCastle Rock, CO 250MX Results 500MX Results Results Home 1981 Results CDR Tech Track Live & On-Demand Learn More * all times Check back for a full broadcast schedule closer to the race. 1981500MXFull Results BrocGlover1st ChuckSun2nd MikeBell3rd 1981250MXFull Results BobHannah1st KentHowerton2nd DonnieHansen3rd