Animal running wheel

FIG. 1 is a top perspective view of an animal running wheel showing our new design;

FIG. 2 is a perspective view of the animal running wheel of FIG. 1 shown in an alternate position;

FIG. 3 is a top side view of FIG. 1 ;

FIG. 4 is a bottom view thereof;

FIG. 5 is a first side view thereof; and,

FIG. 6 is an opposing side view thereof.

The ornamental design for a transparent animal running wheel, as shown in FIGS. 1-6 , includes the shape, surface delineations and markings. The darker portion in FIGS. 1-6 shows color contrast and forms part of the claimed design.