You probably couldn’t imagine playing dodgeball for more than a few hours, let alone more than 31 hours — the longest dodgeball marathon, according to the Guinness Book of World Records. But that’s what airmen at Schriever Air Force Base, Colorado plan to do March 22-23. They’ll attempt to break the Hometown Dodgeball and Albany Dodgeball teams of Albany, N.Y. — current record holders of almost two years for a game that lasted 31 hours 11 minutes and 13 seconds — by playing dodgeball for 40 hours. Breaking the record is no small feat. To do it,  playing members must…