March Madness March 16-April 7, 2025 Various Locations The 2025 NCAA Men's Basketball Tournament - known simply as March Madness -  starts with First Four games in Dayton, Ohio and continues through to the 2025 Final Four at the Alamodome in San Antonio. Selection Sunday for the men's tournament is March 16, 2025. Key dates of the tournamanet can be found at: NCAA.com For Tickets: Tickets For premium hospitality: VIP Hospitality