Will running bulk up my leg muscles?!

Best Answer - Chosen by Voters

No not really... but if you do some leg weights & try & do alot of running up stairs or any sort of incline then they should bulk up.

Good Luck.

try running or walking on the treadmill with an incline. Also do weighted squats and lunges. those will really bulk them up and make them muscular

no, just make them leaner and stronger. look up a couple of things at www.bodybuilding.com

experiance