Feel short of breath during swim practice. could i have exercise induced asthma?

Possibly: This is one consideration. Talk to your doctor about it.

Certainly: You might also be out of shape. Another possibility is your heart. Your primary care physician is a great first stop to figure out the cause of your complaint. See your doctor very soon.

Yes but...: Could be or maybe just a part of building exercise tolerance & pushing yourself . Talk to a physician if not improving or you are concerned.