But in that red haze he saw, or seemed to see, Black Star suddenly riderless and with broken gait.

Wrangle thundered on to change his pace with a violent break.

Then Venters pulled him hard.

From run to gallop, gallop to canter, canter to trot, trot to walk, and walk to stop, the great sorrel ended his race.
Venters looked back.

Black Star stood riderless in the trail.