The best way would be to simply ask them. You may be surprised how far a little straight forward honesty and directness will get you.
Tell them how uncomfortable swimming is for you.
tell them it will be fun with out them and if that doesnt work try telling them it's a good exercise.
you can't go swimming!
She didnt want to be in the swimming team, her parents enrolled her.
If you have a ride and money, you can go to a swimming store that sells speedo's and just but one without your parents.
You learn from your parents or a teacher.
her parents swam
say i will do something like be good for a year or beg cry for hours and they will feel sorry for you
People from swimming clubs go to swimming galas
It is too cold to go swimming
You can go swimming 24hours after you have had the stiches removed.
Swimming during your period is fine as long as you wear a tampon which should be changed before and after you go swimming