Today we have a lot of VO2Max work. Most of our work will be Free today, including the BOSS 500. We do have some 25's stroke sprint and some butterfly sprint technique today as well. #vo2max #boss #butterfly #butterflytechniquehttps://youtu.be/aaGBERV6dlIVisit www.nlscak.coach for additional practice videos. #swimming #swimcoach #nlscak #nlscakpracticevideo #usaswimming #worldaquatics #alaskaswimming #swimfaster #thelegsfeedthebear @usaswimming