Yetter balances shorter repeats to build endurance with longer repeats for higher quality speed work.

"Our week is filled with fly, back and breast endurance sets. We tend to train the strokes of the IM more than we train IM," Yetter says.

Yetter says when focusing on DPS, it's important to subtract the negatives, meaning that instead of adding elements of power to your stroke, you should take out any resistance.