悠游 http://www.chinaswim.com/

51swim  http://www.51swim.com/

Swim.net  http://www.swim.net/

全浸Total Immersion  http://www.totalimmersion.net/

Go Swim  http://www.goswim.tv/

About Swimming http://swimming.about.com/

Crucible Fitness  http://www.cruciblefitness.com/etips/swimming-drills.htm

swim.ee  http://www.swim.ee/

Dynoswim  http://www.dynoswim.com/about.php

Schwimmen  http://www.svl.ch/svlimmat_ratind.html