March Madness 2025. Marquette university hosts the first and second rounds of the ncaa ® division i men’s basketball. In 2025, san antonio will become the first city to host five men’s final fours.
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. View sites, download the app, sign up for email alerts and more!