The ornamental design for a scooterrack, as shown and described.
FIG. 1 is a front perspective view of a scooter rack showing my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a rear perspective view thereof, shown in an environment of use with three scooters.
The broken line showing of the three scooters in FIG. 8 is for environmental purposes only and forms no part of the claimed design. The remaining broken lines in the drawings illustrate portions of the scooter rack that form no part of the claimed design.