Which Derby Race Is The Longest?
Mongol Derby. The Mongol Derby is an equestrian endurance race. The race extends 1,000 km (621 mi) through the Mongolian Steppe and is known as the world’s longest horse race. Which Derby is the longest? The 10-day, 1,000-kilometer race is a test of endurance through the Mongolian Steppe. According to organizers, the course recreates the …