How does your ranking work?
I believe the Static Monsters has grown well each year because people will get a ranking (a world ranking) in their class, regardless of the number of competitors competing in their local competition.
Depending on where you are based, there are not always other competitors in your weight class in your local strongman/strength competitions, so what happens? You either have to compete in another class, or you are the only competitor in your class.
Full article here.