2025 March Madness Upsets. March madness 2025 begins with first four games tuesday, march 18, in dayton, ohio, and ends with the final four on april 5 and 7 at the alamodome in san antonio. Who will win it all?

Umbc became the first no. March madness 2025 schedule, sites the 2025 ncaa men’s basketball tournament will begin on march 18 with the first four games in dayton, played by the last four teams.