When Legends Die (IMHO greatest rodeo movie ever), the Rounders, J.W. Coop, Jr. Bonner, Comes a Horseman, Ruby Jean and Joe, The Last Ride, and 2 documentaries Rank and American Suite: Rodeo Gypsys
8 Seconds was mentioned in the very first post. As we get into more technology,there isn't much horsemanship being seen on the big screen. If it's not being blown up, it's werewolves & demons.