Two days of final testing before the big show: Back 40 MX in Bradford runs Loretta Lynn practice days Thursday and Friday, July 30 and 31, from 9 AM to 2 PM each day in 20 minute sessions. The crew waters and preps the track 100% so riders headed to the AMA Amateur National at Loretta Lynn's can dial in their final adjustments on excellent conditions, and all riders are welcome even if you are not racing Loretta's. $40 a rider. Get ready, get faster: Loretta's is coming.