The Bob Feist Invitational’s six-head marathon on a long score with fresh cattle is just as much a mental test as it is a physical feat. Clay Tryan, who has won the Bob Feist Invitational three times and amassed $214,111 in earnings there alone, has built up the kind of mental endurance it takes to battle the best in the business in Reno’s Livestock Center the third Monday in June and come out on top, time and time again.