Yes they do have classes for Clydes and Athenas. Most races for men are 201 + to be in the Clyde class. When you are racing against people that are 6'5" and 202 lbs it is kinda of funny. Worst part about racing Clyde or Athena is that you will usually start in the last wave and at a big race this can put you 20-30 minutes behind the first wave. But always remember this, you paid your entry fee just like everyone else so you can race your race. If your goal is to finish, consider racing your age group if you want to.