When do you do flip turns in an IM?

You would do a backstroke flip turn in the 50 meter portion of backstroke, a freestyle flip turn in the 50 meter portion of freestyle, Also regular butterfly and breaststroke turns in their 50 meter portions.

You also need to know how to do transitional turns from butterfly to backstroke, backstroke to breaststroke, and breaststroke to freestyle.

Remember also make sure and do two-hand touches on all breaststroke and butterfly turns and finishes.