Wiktionary
motorcycle sport
n. sport of racing with motorcycles
Wikipedia
Motorcycle sport
thumb|upright=1.35|Classic road racing Motorcycle sport is a broad field that encompasses all sporting aspects of motorcycling. The disciplines are not all races or timed-speed events, as several disciplines test a competitor's various riding skills.
Usage examples of "motorcycle sport".
I was on the move every weekend for motorcycle sport (similar to modern rally).