An exercise motion tracking assembly, an exercise motion tracking system, and a method of electronically tracking exercise motion are disclosed. In one embodiment, the exercise motion tracking assembly can comprise a base unit comprising a plurality of trigger columns and a tracker comprising a plurality of column ports, a plurality of switching components, and a plurality of sensors. At least one of the plurality of sensors can be activated when the tracker is detachably coupled to the base unit, causing at least one of the plurality of trigger columns to extend through at least one of the plurality of column ports and actuate at least one of the plurality of switching components.