March Madness, the NCAA Division I men’s basketball tournament, runs for about three weeks from mid‑March to early April each year.

Quick Scoop: How long is March Madness?

  • The core men’s NCAA tournament is played over three weekends , spanning roughly 19–22 days.
  • It typically starts with the First Four games on a Tuesday and Wednesday in mid‑March and ends with the national championship on a Monday night in early April.
  • In total, the event covers everything from Selection Sunday through the title game, so fans usually think of it as “three crazy weeks of basketball.”

Mini breakdown of the schedule

  • Selection Sunday: Bracket revealed, usually the Sunday before play‑in games.
  • First Four: 4 play‑in games over two days (Tuesday–Wednesday).
  • First & Second Rounds: Massive bracket action that first weekend (Thursday–Sunday).
  • Sweet 16 & Elite Eight: Second weekend, Thursday–Sunday.
  • Final Four & Title Game: Semifinals on Saturday, championship on Monday of the third weekend.

So if you’re planning your viewing, block off about three weeks from mid‑March to early April—that’s how long March Madness really lasts.

Information gathered from public forums or data available on the internet and portrayed here.