March Madness | When Does The NCAA Basketball Tournament Begin And End This Year?

Even though the NCAA Tournament has not started yet, the top March Madness betting sites have odds on which team will win the 2025 Big Dance. Find NCAA Tournament winner odds below. As of the first week of March, the Auburn Tigers (+350), Duke Blue Devils (+375), Houston Cougars (+850), and Florida Gators (+950) were among the favorites to cut down the nets.