What kind of sport you suggest me to start practicing :D?

Okay home boys and home girl I like sports I like it allot but I cant seem to focus on one type of sports only and its taking me a lot of time of my daily seagull I love running I love picking weights but running reduces and decreases you muscles weight and weights increase it and those to things don’t go in the same line and I would really love to start running marathons but at the same time I wanna pick up heavy weights ... any suggestions on good types of sports that that keep you fit and in good running shape (and I thought about swimming and theirs not much places around to swim :\). So if you can please suggest me a good type of sport that keeps a fit body and good running condition :)