Post position in horse racing betting refers to the stall number a horse is positioned in for a race. Post positions, particularly in US horse racing around oval tracks, can influence betting. Horses in posts 1 or 2 might be too close to the rail and get pushed back. Those in posts 19 or 20 might have too much ground to make up out of the gate. Those in the middle? Well, that’s the Goldilocks Zone.