FIG. 1 is a perspective top front right side view of a base of a housing of a device for measuring running speed, running distance and step frequency showing my new design;
FIG. 2 is a perspective bottom back left side view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a back view thereof;
FIG. 5 is a bottom view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a left side view thereof;
FIG. 8 is a right side view thereof;
FIG. 9 is a perspective top front left side view thereof; and,
FIG. 10 is a perspective bottom front left side view thereof.