when does my march madness bracket need to be done
Your March Madness bracket usually needs to be done right before the first Round of 64 game tips off, not before the First Four games.
Quick Scoop
- For 2026, the men’s March Madness Round of 64 starts Thursday, March 19 at 12 p.m. ET , and that’s the common cutoff for bracket submissions.
- Most major online contests and office pools lock brackets at that time or a few minutes after the official first-game tip.
- The First Four games on March 17–18 usually do not count for standard bracket pools, so you can still wait until after those to finalize picks.
What You Should Do
- Aim to have your bracket completely filled out by Thursday, March 19 at 11:45 a.m. ET to avoid site slowdowns and last‑minute stress.
- Check the specific rules of your pool (ESPN, CBS, Yahoo, office pool, etc.), because some platforms set slightly different lock times around noon ET.
- Remember: once the first Round of 64 game starts, your bracket is locked and you can’t change picks.
Think of it this way: Selection Sunday gives you the roadmap, the First Four gives you a sneak preview, but the opening tip of the Round of 64 is the do-or-die deadline for your bracket.
TL;DR: Your March Madness bracket needs to be done and submitted before the first Round of 64 game tips on March 19, 2026, around 12 p.m. ET , though exact times vary by contest.
Information gathered from public forums or data available on the internet and portrayed here.