At The Races – A L T I O R – up close with a powerhouse

Video from At The Races: A L T I O R – up close with a powerhouse. Matt Chapman gets up close with National Hunt racing’s brightest light. Unbeaten in 16 races over obstacles, he’s set to attempt to win his fourth successive Cheltenham Festival race in March. Hear from Nico de Boinville and Nicky Henderson on Altior’s story.