Headed out (5)
I believe the answer is:
going
(Other definitions for going that I've seen before include "factor in horse's performance?" , "fading" , "Departure; current (rate)" , "Progress" , "attending" .)
I believe the answer is:
going
(Other definitions for going that I've seen before include "factor in horse's performance?" , "fading" , "Departure; current (rate)" , "Progress" , "attending" .)