You can keep track of runners in thoroughbred, harness and greyhound races using the Tips functionality found on race pages.
TAB TROT RODS H
GS L SWAB: gate speed, led, swabbed
RAS: restrained at start
T CMP CMP D/R CMP: tightened, contacted marker pegs, contacted marker pegs, driver reprimanded, contacted marker pegs
HOAS HO: hung out after start, hung out
GS OL: gate speed, Outside leader