March Madness 2025 Start Date Time. Tuesday, march 18 (first four) end date: The ncaa tournament begins with the first four on tuesday, march 18, 2025.

Here is the schedule for march madness 2025, which begins with selection sunday on march 16 and ends with the final four and the national championship on april 5 and 7. 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.