First Four Ncaa 2025. 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 selected into the tournament. Catch the first four, live in dayton!

In 2028, the final four will be played at allegiant stadium in las vegas. 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.