Crossword Genius

Marathon volunteer aide (5)

Ross

I believe the answer is:

pacer

(Other definitions for pacer that I've seen before include "walker?" , "One setting race speed" , "setting the rate" , "One walking steadily" , "One who sets the running speed; horse" .)

I've seen this clue in the Newsday.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.