Apaloosas are a light breed of horses used in a wide variety of sports, from rodeo and trail riding, to jumping, showing, and endurance riding.
With endurance riding it takes several miles to warm up and get comfortable.
She will compete in what's been called the world's toughest endurance riding race, the Tevis Cup, which is like a marathon on horseback.
He has written three books that deal with the subject of long-distance touring and endurance riding.