https://cowboystatedaily.com/2024/08/07/former-mongol-derby-winner-cheers-on-powell-rider-in-worlds-toughest-horse/
"Mongol Derby riders change horses every 25 miles, riding 25 horses during the 10-day race. Griffith said Jooste was "very skilled" at picking horses with the best temperament for the journey..."
