An arm training band includes a strap having an elongate configuration and a pair of opposed loops coupled to opposite ends of the strap. The loops are specifically configured to fit or hook over a thumb of a user who is wearing the arm training band. The strap may be extended around the upper arm of the user proximate the user's elbow and the loops hooked over the user's thumb. Preferably, the user will wear an arm training band on each arm when training and practicing proper arm positioning when running.