Yes, betting on bull riding is possible in certain contexts, although it is not as common as betting on more traditional sports like horse racing, football, or basketball. Bull riding is a rodeo event where a rider attempts to stay mounted on a bucking bull for a specified duration, usually eight seconds, while the bull tries to throw the rider off.

Betting on bull riding can occur in a few different ways:

1. **Legal Sports Betting**: In regions where sports betting is legal and regulated, bull riding may be offered as a betting option, especially in areas where rodeo events are popular. This would typically be found in sportsbooks that offer a variety of betting options on different sports.

2. **Event-Specific Betting**: At rodeo events, there may be opportunities for on-site betting. This could be organized by the rodeo itself or by third-party operators. The types of bets might include predicting the winner of the event or specific outcomes within the event.

3. **Underground Betting**: In some places where betting on bull riding is not legal or regulated, underground betting may occur. This is not recommended due to the lack of consumer protection and the potential for illegal activities.

It’s important to note that betting on animals, including bull riding, is subject to legal restrictions in many places due to ethical concerns and regulations regarding animal welfare. Always ensure that any betting you engage in is legal and conducted through licensed and regulated channels. Additionally, be aware of the risks associated with gambling, including the potential for addiction and financial loss.