Biomonitoring systems and methods of loading and releasing the same

Biomonitoring systems and methods of loading and releasing the same are disclosed herein. In one embodiment, a biomonitoring system includes a wearable sensor patch and an applicator. The sensor patch has a filament and an electronics subsystem. The sensor patch is configured to detect a parameter of an analyte in fluid of a user when it is adhered to the user's skin and the filament extends into the user's tissue. The applicator includes first and second applicator portions and a spring positioned within an interior of the second application portion between the first and second applicator portions. When the applicator transitions from a loaded mode to a released mode, the spring transitions from a first state of compression to a second, lower state of compression and accelerates the first applicator portion and the wearable sensor patch toward the user's skin such that the filament extends into the user's tissue.