Best Free March Madness Bracket Challenges & Contests for the 2025 NCAA Tournament
March Madness is well underway! Our best sports betting sites have many exciting March Madness bracket contests and challenges with millions of dollars in prize money available.
Even if you don't know how to bet on college basketball or fully understand the ins and outs of all the college basketball odds, there will be FREE March Madness bracket contests that offer plenty of excitement. More than $10 million in prizes are offered.
No one has ever assembled a perfect bracket (even your friends who love to tell you how close they have come). Maybe 2025 will be your year? Get started by downloading our printable March Madness bracket.
🆓 Free 2025 March Madness bracket contests
Once you have your March Madness bracket complete, it will be time to test your picks and March Madness bracket predictions against FREE bracket challenges and contests from our best sports betting sites.
Here are the available 2025 March Madness bracket challenges and contests. All of contests listed below are FREE to enter ahead of the NCAA Tournament. New offers will be released across our best March Madness betting sites throughout this week.
Be sure to keep an eye on the March Madness betting promos for added bonuses throughout the tournament.
| Sportsbook | Prizes | Entry cost | Welcome offer |
|---|---|---|---|
| bet365 | Win $10 million for a perfect bracket, $100K for best | Enter for FREE | Bet $5, Get $100 in Bonus Bets |
| FanDuel | $100,000 | FREE | Win a $5 Bet, Get $200 in Bonus Bets |
| DraftKings | $100,000 | Enter for FREE | 20% deposit match up to $500 in DK dollars |
| Caesars | Fan Cave experience | Enter for FREE | Bet $1, get 10 100% boosts |
| BetRivers | TBD | TBD | $500 2nd chance bet |
| Bet99 | TBD | FREE | $1,500 first bet encore |
(Not available to residents of Ontario)
FanDuel Tourney Shuffle
FanDuel's 2025 Tourney Shuffle'Em allows users to predict the last four teams in the NCAA Tournament. Participants are given a virtual card with a random four-team combination and can shuffle up to 20 times to create their preferred Final Four lineup.
If any participant ends up with the perfect four-team combination, they earn a share of the $100,000 prize.
New customers only. Deposit min. $5. Place first bet of $5+ and win $250 in Bonus Bets, if your bet wins. (within 72 hours).
bet365 Bracket Challenge 2025: Win $10 million for a perfect bracket
bet365's perfect bracket challenge has a $10 million prize to whoever completes a perfect bracket.
Alternatively, the contestant with the most points at the end of the NCAA Tournament will win $100,000. Additional prizes are available for the top 5,000 brackets.
Enter today via bet365 bonus code "SBRBONUS".
*Deposit required. Mobile app only. Bonus Bets wager excluded from returns. T&Cs, time limits and exclusions apply. Gambling problem? Call 1-800-GAMBLER
DraftKings Zero Right Bracket Challenge 2025
DraftKings has a special spin on a 2025 bracket challenge. The DraftKings Zero Right Bracket Challenge, presented by Pepsi Zero Sugar, gives users a chance at $100,000 for a perfectly imperfect bracket. You just have to be sure to get zero picks correct in Round 1.
This contest opens on Tuesday, March 18 and is available for all U.S. residents with a valid DraftKings account. All you need to do is pick the loser of every game. The first 125,000 entrants will receive a digital code for one 20oz or 28oz can of select Pepsi Zero Sugar products.
There's no DraftKings promo code needed!
Terms and conditions apply.
Caesars' Bet the Tournament Fan Cave Frenzy
Caesars offers two VIP Fan Cave experiences with a value of $2,500 each. One is awarded to the participant with the most tier credits during the promotion period, and the other is awarded in a random draw of participants with a minimum of 1,500 tier credits.
This contest is free to Caesars users, but be sure to opt-in to register. The promo runs from March 1 through March 30. Rewards are earned by placing wagers on Caesars Sportsbook or via casino games.
Use Caesars promo code "SBRBONUSDYW" to get started.
New users only. Must use promo code. Min. $10 deposit. Max. bonus is ten 100% Profit Boost tokens. Profit Boost tokens expire in 14 days. Void where prohibited. Full terms.
Sportsbook Review's $1K March Tourney Survivor contest!
SBR's $1,000 March Tourney Survivor contest is free-to-play with a cash prize to the winner. Sign up by clicking the image below!
🔮 March Madness bracket picks & tips
- We simulated every March Madness game 1,000 times
- 50 best March Madness bracket names
- March Madness bracket deadlines
- March Madness media expert picks
- Best March Madness bracket challenges
- 2025 March Madness bracket reactions
- Free printable March Madness bracket PDF
- March Madness bracket predictions
- How to fill out a March Madness bracket
- March Madness bracket advice
- March Madness bracket tips for beginners
- March Madness bracket trends
- Printable Women's March Madness bracket
👉 Want AI-driven bracket insights? Check out our full March Madness AI bracket predictions with score predictions for every game.
🛍️ March Madness betting promos
March Madness betting promos are special offers and incentives that sportsbooks provide during the NCAA Tournament to attract bettors and enhance their betting experience.
These promotions can take various forms, including deposit bonuses, free bets, odds boosts, and special contests or tournaments. Sportsbooks may offer increased odds on select games or players, allowing bettors to potentially earn higher payouts on their wagers.
Deposit bonuses are a common type of March Madness betting promo, with sportsbooks offering to match a percentage of a bettor's initial deposit up to a certain amount. Free bets provide bettors with an opportunity to place a wager without risking their own money, and the wagers are often given as a reward for making a qualifying bet or deposit.
Additionally, March Madness betting sites may run special contests or tournaments during March Madness, such as bracket challenges or pick'em competitions that allow bettors to compete against each other for prizes.
March Madness betting promos are designed to add excitement and value to the tournament for bettors, incentivizing them to place more bets and engage with the event.
These promotions can vary widely between sportsbooks, so bettors should shop around to find the best offers and take advantage of any opportunities to maximize their betting potential during March Madness. See our best sportsbook promos and March Madness betting promos here.
🏀 Here are our best March Madness betting sites:
- Caesars Promo Code: SBRBONUSDYW | Read our Caesars Review
- BetMGM Bonus Code: SBRBONUS | Read our BetMGM Review
- bet365 Bonus Code: SBRBONUS | Read our bet365 Review
- FanDuel Promo Code | Read our FanDuel Review
- DraftKings Promo Code | Read our DraftKings Review
(21+. Gambling Problem? Call 1-800-GAMBLER)
* Bonuses not applicable in Ontario.
Not intended for use in MA.
Each betting site featured on SBR has been meticulously researched and selected by our team of experts. If you sign up through our links, we may get a commission.
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