I was writing up an article for my re-vamped newsletter, WTF Weekly, on what I consider to be the dark horse of the fitness franchise scene: MADabolic.

So I dialed up my buddies Brandon Cullen and Kirk DeWaele (co-owners) and jammed on the rapid growth they've experienced in the past 18 months (adding 49 locations!), the struggles they've faced and why exactly do they think it is that most people in our industry have still never heard of them?

If you're not subscribed to WTF Weekly - get to it.