Amelia Earhardt Park May 13 1973Amelia Earhardt ParkHialeah, FL 250MX Results 500MX Results Results Home 1973 Results Amelia Earhardt Park Live & On-Demand Learn More * all times Check back for a full broadcast schedule closer to the race. 1973500MXFull Results PierreKarsmakers1st GarySemics2nd PeterLamppu3rd 1973250MXFull Results GaryJones1st MartyTripes2nd BobGrossi3rd