Softball!!!!?

I have been playing on a select softball team for three years and i have been playin reck ball for 6 years before that and my select team is geting really hard because we are going to nationals in alabama and should i quit because run non stop 2 miles NO WALLKING OR JOGING...SPRINTfor 2 miles. I need help should i try out bext year or stop|||Hey im 14 and ive played school ball for 2 years travel for 3 and rec for 12 and listen .. i also train to be in the wwe and im a small girl and i learnd when things get hard dont quit! Quiting is just giving in! And hey thats really good exersize. Dont give up! Suck it up! Hey maybe if ur ever in NJ we will play you.. You cant beat The Storm!|||If you love it I say never quit. DOn't quit things because they get too hard, if you do that it will just keep happening to you.