The ornamental design for a fitness displaymat, as shown and described.
FIG. 1 is a top plan view of a fitness display mat showing my new design;
FIG. 2 is a front elevational view thereof, the back being a mirror image; and,
FIG. 3 is a right side elevational view thereof, the left side being a mirror image.
The bottom of the design forms no part of the claim.
The article is shown with breaks in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design.
The oblique lines in the drawing represent shading and are not included to suggest translucency.