Parker, CO- June 22, 2013 - A crowd of spectators gathered to watch spectacular show jumping at the much-anticipated $30,000 Nutrena Summer in the Rockies III Grand Prix in the Kathy and Brad Coors Family Grand Prix Arena at the Colorado Horse Park on a perfect Colorado Saturday afternoon.   In the first round of the event, 19 horse and rider combinations battled it out over international course designer Alan Wade’s track, attempting to progress to the jump-off round.