half mile of hell
n.β Β«He competed in the pony chuckwagon and chariot races that are a staple of small town rodeos.…The race itself, around an oval fieldβaffectionately known as the “half mile of hell”βis just as fast and still dangerous.Β» ββA cowboyβs spine” by Brian Bergman Macleanβs (Can.) July 6, 2005. (source: Double-Tongued Dictionary)