Horse races are a popular form of entertainment and competition, and there are three main types: STAMPEDES (9 letters), DERBIES (7 letters), and TROTS (5 letters). STAMPEDES involve horses racing around a track at high speeds, often with obstacles or jumps. DERBIES are similar to STAMPEDES, but the horses race in pairs and the track is usually longer. TROTS involve horses pulling a two-wheeled cart called a sulky, and the horses must maintain a specific gait throughout the race. All three types of horse races are thrilling to watch and can be very competitive.