Marchmadness 2025 Calendar. Experience march madness® in seattle march 21 & 23, 2025 at climate pledge arena! Selection sunday for 2025 march madness is set for sunday, march 16.

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. Experience march madness® in atlanta march 28 & 30, 2025 at state farm arena!