Fill My Bracket starts a full March Madness bracket from five questions.
2025 backtest: what all-chalk would have scored
Florida beat Houston 65–63 for the title. The better seed won 49 of 63 games. No year in the last four had more. All four Final Four teams were 1 seeds.
130 days until Selection Sunday, Sunday, March 14, 2027.
Start your bracketThe 2025 games, counted one by one.
The first-round upsets
| Winner | Beat | Score |
|---|---|---|
| Colorado State (12) | Memphis (5) | 78–70 |
| McNeese (12) | Clemson (5) | 69–67 |
| Drake (11) | Missouri (6) | 67–57 |
| New Mexico (10) | Marquette (7) | 75–66 |
| Arkansas (10) | Kansas (7) | 79–72 |
| Creighton (9) | Louisville (8) | 89–75 |
| Baylor (9) | Mississippi State (8) | 75–72 |
The one run
Arkansas, a 10 seed, reached the Sweet 16.
No other low seed got that far.
Every other first-round upset winner lost its next game.
The Final Four was all 1 seeds: Florida, Houston, Auburn, and Duke.
It was a chalk year, start to finish.
For your picks
History says about eight first-round upsets a year.
2025 gave seven, then stopped.
In a year like this, your champion pick does the work.
How we counted
Counted from every game of the 2025 main bracket: 63 games.
The better seed is the lower seed number.
3 games matched equal seeds.
Five questions start your bracket. Your picks finish it.
The picker opens on Selection Sunday, March 14, 2027. Name your favorite and your upsets.
Common questions
How many games would all-chalk have picked right in 2025?
49. The better seed won 49 of 63 games in 2025. Three more games matched equal seeds, all between 1 seeds.
How many upsets were in the 2025 tournament?
11 of the 63 games were won by the worse seed. 7 of them came in the first round.