Fernando,
I like what you've done with #27. I still would like to see more balance between the swimmer and the biker and runner. The runner also looks a little too big.
See this link for a swimmer stroke. in the TOP row, image #2 and
#3 are the best. Can you change yours to one of these.
http://jellyroo.com/wp-content/uploads/2012/12/freestyle-swimming-technique.jpg This image also shows a "POWERFUL" stroke
http://static.ddmcdn.com/gif/breathe-freestyle-swimming-1.jpgThanks ! My teammates and I will spend more time with it.
Jim