"This isn't my first __" (5)

I believe the answer is:
rodeo
(Other definitions for rodeo that I've seen before include "stock venue?" , "Originally, a round up of cattle" , "cowboy carnival" , "Contest of cowboy skills" , "Annually" .)
I believe the answer is:
rodeo
(Other definitions for rodeo that I've seen before include "stock venue?" , "Originally, a round up of cattle" , "cowboy carnival" , "Contest of cowboy skills" , "Annually" .)