"Indian Horse" :
Obnoxious Lieutenant Flagg wins a horse race against Sy Pilcher, old Howling Dog is another matter however.
This episode originally aired on May 15th, 1954.
Links
[1] https://www.wpr.org/programs/old-time-radio-drama
[2] https://www.wpr.org/people/norman-gilliland
[3] https://www.wpr.org/people/britny-williams