Try to strengthen your core by doing lunges, squats, crunches, planks, sit-ups, etc. You should check this website out: http://funadvice.com/r/16810r5qtqu. There's this guy who demonstrates a bunch of different exercises that you could try out. I'd also recommend doing 45 minutes of cardio (jogging, running, biking, etc) at least three times a week. Don't forget to stretch!
There's fit and than there's swimming fit. Work on your core, legs muscles, and arms. To build endurance your gonna have to get into the water especially if you want to work on strokes. Just funmail me if you want me to name my team's dryland workouts.
do sit ups and push ups. Anything to stregnethen your stomach mucles, because your stomach mucles are the main tool in swimming fast or doing anything related to swimming,
Can you read?...Do you understand English?...Are you really as old as 15?...When do you hope to mature?..Do you have any respect at all for other people, and this site?
The fact 2 people rated it best answer is the most insulting thing...which helped lead to my reply...btw.
Umm... dude shes my friend and she has a sense of humor...
You could jog/run to build up your endurance.
Wheres the humour if your older than ...10?