Tirediron, I wish I could find a photo club. I'm in the middle of nowhere. There's one real professional photographer and a few random wanna-bes who take awful pictures. Really not much in between. None seem at all interested in 1) helping each other out (competition, you know) or 2) sitting around talking about/working on techniques. They already know it all.
Robertwatcher, you were still working with better light than I have at rodeo. It starts at 7pm. Bulls start at 9pm. The lights in the arena might as well not be there. By the time the bulls start, I'm at minimum shooting ISO 3200, even with a slow shutter. (That was the highest I could go without destroying images with the amount of grain on that body.) The 6D can shoot decently at ISO 12800.
I know I've used flash in the distant past, but those are film pictures, so I have no idea what they look like. That was back when I had an automatic and didn't know how to flip off the "auto flash".

Depending which shoot the bulls are coming from, the 200mm should about fill the frame (if it's the closest) and they usually move closer to the audience. It's a small rodeo, so seating only covers half the arena. The other side is cowboys/girls only. Everybody moves seats and crams into the spaces between bleachers before the bulls start because they never travel far during the ride. A few run victory laps after they lose the rider.

We've had a few charge the fence because the audience seems to tick them off. My biggest concern is one sliding under the fence. Most from this company don't have horns, which is nice, but I've seen animals fall and sent their feet through fencing before. I hear a bull jumped this fence once (before I was born). That's a one in a million thing, though. It's a 7-8 foot fence.
I'm lucky because I get to go wherever I want. The rodeo guys usually leave me alone because I have a big camera. One apologized for going in front of me once. Everybody else gets chased away from the fence. They don't want anyone closer than the bleachers, which is 6ish feet from the fence.