In our Crossfit group, we had LE and FF there all the time. It only makes sense, because they have to stay in tip top shape for their work. Our FF lent us hoses to run with as one of the workouts. In a small town, it's slim pickins where you can go work out before your "real job" starts in the morning. The convenience of a 5 am class, be able to run home, take a shower and head off to work feeling great... is priceless.