WordNet sense 1 (in motion):

moving

WordNet sense 2 (measured lengthwise):

linear

WordNet sense 3 (running or extending in the direction of the length of a thing):

lengthways, lengthwise

WordNet sense 4 ((of e.g. a machine) performing or capable of performing):

functional, operative, working

WordNet sense 5 (performing or able to perform its regular function):

functioning

WordNet sense 6 ((American football) a play in which a player attempts to carry the ball through or past the opposing team):

run, running game, running play

WordNet sense 7 (the act of participating in an athletic competition involving running on a track):

track