TLDR:
- Nobody has ever achieved a verified perfect March Madness bracket — not once in tournament history.
- The odds of a flawless bracket are 1 in 9.2 quintillion — a number that dwarfs the stars in the Milky Way.
- Even hardcore basketball fans who know every team can only improve their odds to roughly 1 in 120 billion.
- The closest anyone ever came was an Ohio man who correctly predicted 49 straight games in 2019 before falling short.
Every March, millions of Americans fill out their NCAA Tournament brackets convinced — just maybe — that this is the year. It never is. And the math explains why it never will be.
No one has ever produced a verifiably perfect bracket in the history of the NCAA Tournament. Not once. The odds of getting all 63 games right are 1 in 9.2 quintillion.
To put that number in perspective: the Milky Way contains between 100 and 400 billion stars — a rounding error compared to 9.2 quintillion. Scientists estimate there are roughly 7.5 quintillion grains of sand on Earth — and the perfect-bracket odds still dwarf even that staggering figure. A Powerball ticket gives you a 1-in-290 million shot at the jackpot — making it roughly 31 billion times more likely you’ll win Powerball than nail a perfect bracket.
Think you know basketball well enough to beat the math? Even avid fans who apply real sports knowledge only improve their odds to about 1 in 120 billion.
The closest anyone has come was Greg Nigl of Columbus, Ohio. Mr. Nigl correctly predicted the first 49 tournament games in 2019, setting the all-time men’s record, before No. 3 Purdue eliminated No. 2 Tennessee in overtime to bust his bracket in the Sweet 16.
If every American filled out a unique bracket with 66.7% accuracy, statisticians estimate we’d expect a perfect bracket roughly 366 years from now.
So enjoy filling out your bracket this year. Just don’t quit your day job.
Read more:
• Duke, Arizona, Michigan and Florida lead title odds for March Madness, bettors expect chalky results
This article was constructed with the assistance of artificial intelligence and published by a member of The Washington Times’ AI News Desk team. The contents of this report are based solely on The Washington Times’ original reporting, wire services, and/or other sources cited within the report. For more information, please read our AI policy AI policy or contact Steve Fink, Director of Artificial Intelligence, at sfink@washingtontimes.com
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