A modular fitness system and associated methods of use are disclosed. In at least one embodiment, the system provides a plurality of elongate weighted segments, and a plurality of handle links sized and configured for accommodating a hand of a user. The segments and handle links are removably engagable with one another in series so as to form an exercise structure. Thus, the user is capable of selectively engaging at least one of the segments having a desired weight with at least one of the handle links in order to form an appropriate configuration of the exercise structure for performing one or more desired exercises therewith.