March Madness Betting Promos: Up To $10K in Bonuses

Robert Harris
March 27, 2026
1 Views
Quick Answer: Sportsbooks are offering sign-up bonuses of up to $10,000 for new bettors joining during March Madness Round 3 games. These limited-time promos are designed to attract first-time users during one of the busiest sports betting periods of the year, according to Covers.com.

March Madness Round 3 is here, and sportsbooks are competing hard for new customers by dangling sign-up bonuses that reach as high as $10,000, according to Covers.com. These promotions are time-sensitive, tied directly to today’s slate of games, and aimed squarely at bettors who have not yet created an account with a major sportsbook.

March Madness Round 3 Sign-Up Bonus Offers Reach $10K

The Scale of Available Promotions

According to Covers.com, sportsbooks are making sign-up bonuses of up to $10,000 available to new users specifically for today’s Round 3 March Madness games. These are not loyalty rewards or reload bonuses. They are first-deposit or registration incentives designed to pull in bettors who have been sitting on the sidelines.

March Madness consistently ranks among the highest-traffic periods for sports betting platforms. Sportsbooks use that momentum to push aggressive acquisition offers, knowing that bettors who sign up during tournament time tend to remain active customers.

The headline figure of $10,000 represents the ceiling of what is available across multiple platforms, as reported by Covers.com. Individual offers will vary by sportsbook, and bettors should review the specific terms attached to each promotion before signing up.

Why Round 3 Specifically Matters

By Round 3, the tournament field has narrowed and the stakes per game are higher. Casual fans who ignored earlier rounds often tune in now, which is exactly the audience sportsbooks want to convert into registered users. Covers.com highlights these promos as being tied to today’s specific game slate, meaning the window to claim them is limited.

Bettors who wait until the Final Four or the championship game may find that the most generous sign-up offers have already expired or been scaled back. Acting during Round 3 gives new users access to the full range of available promotions.

Who These Promotions Are Built For

New Bettors Are the Primary Target

Sign-up bonuses, by definition, are only available to first-time account holders. According to Covers.com, the promotions being highlighted for Round 3 are structured as new-user offers. If you already have an account with a given sportsbook, these specific deals do not apply to you.

This matters because the $10,000 figure is not a single offer from one platform. It reflects the combined or maximum value available when a bettor shops across multiple sportsbooks and claims a sign-up bonus at each one. Creating accounts at several platforms during March Madness is a common strategy among experienced bettors looking to maximize their initial bonus value.

Timing Is a Real Factor

Covers.com frames these offers as being relevant to today’s Round 3 games, which signals that availability is tied to the current moment in the tournament. Promotional offers in sports betting are frequently updated or pulled as events conclude. A bettor who waits until tomorrow may be looking at a different, potentially less generous, set of options.

The urgency is real, not manufactured. Sportsbooks set expiration windows on tournament promos because the marketing value of a sign-up bonus is highest when it is connected to a live, high-interest event.

Comparing the Promotion Structure

Promotion Type Who Qualifies Max Value Noted
Sign-Up Bonus New accounts only Up to $10,000 across platforms
March Madness Promo New users, Round 3 timing Time-sensitive, per Covers.com
Reload or Loyalty Offer Existing account holders Not the focus of this promotion

The table above reflects the structure of offers as described by Covers.com. The $10,000 ceiling applies to new sign-ups, not to existing customers or reload bonuses. Bettors should treat each sportsbook’s offer as a separate transaction with its own terms and conditions.

Covers.com is a well-established sports betting information platform that tracks and compares sportsbook promotions. Their coverage of March Madness betting offers is aimed at helping bettors identify the best available deals during the tournament window [1].

Reading the fine print on any bonus is non-negotiable. Wagering requirements, minimum deposit thresholds, and eligible bet types all affect the real-world value of any sign-up offer. The headline number is the maximum possible, not a guaranteed return.

Sports Betting Promos and the Online Gaming World

March Madness sign-up bonuses operate on the same acquisition logic that online casinos have used for years. Welcome bonuses, first-deposit matches, and free bet offers are all designed to lower the barrier to entry for new users. The mechanics are familiar to anyone who has claimed a casino welcome package.

For online gaming enthusiasts already comfortable with bonus structures, evaluating a sportsbook sign-up offer requires the same discipline: check the wagering requirements, understand what bets qualify, and know the withdrawal conditions before committing a deposit. The tournament context adds urgency, but the evaluation process stays the same.

Key Takeaways

  • Sportsbooks are offering sign-up bonuses of up to $10,000 for new users during March Madness Round 3, according to Covers.com.
  • These promotions are specifically tied to today’s Round 3 game slate and are time-sensitive.
  • The $10,000 figure represents the maximum available across multiple platforms, not a single sportsbook offer.
  • Only first-time account holders qualify for these sign-up bonuses; existing customers are not eligible.
  • Covers.com identifies this as a key window for new bettors to claim the most generous available tournament promos.
  • Waiting until later rounds may result in reduced or expired promotional offers.

Frequently Asked Questions

How do I get up to $10,000 in March Madness betting bonuses?

According to Covers.com, the $10,000 total reflects sign-up bonuses available across multiple sportsbooks for new account holders during Round 3. You would need to register at several platforms and claim each one’s individual new-user offer to approach that combined figure. Always review each sportsbook’s specific terms before depositing [1].

Are these March Madness promos only for new bettors?

Yes. As reported by Covers.com, the highlighted promotions are sign-up bonuses, which are exclusively available to first-time account holders. Existing customers at a given sportsbook would not qualify for that platform’s new-user offer [1].

Do these Round 3 betting promos expire?

Covers.com frames these offers as tied to today’s Round 3 games, indicating they are time-sensitive. Sports betting promotions are regularly updated as tournament rounds conclude, so availability may change after today’s games are played [1].

Where can I find the full list of March Madness betting promos?

Covers.com is the source tracking these Round 3 sign-up bonus offers. Their platform compares available sportsbook promotions and provides details on terms and eligibility for each offer [1].

The Bottom Line

March Madness Round 3 represents a genuine opportunity for new sports bettors to access some of the most competitive sign-up bonuses of the year. Covers.com reports that the total available across platforms reaches up to $10,000, a figure that reflects the intensity of competition among sportsbooks for new customers during the tournament.

The window is real and it is narrow. Once today’s games conclude and the bracket tightens further, the promotional landscape will shift. New bettors who want to maximize their sign-up value should act during Round 3, not after it.

Compare Today’s March Madness Betting Promos

See All Round 3 Offers

18+ | Play Responsibly | T&Cs Apply

Sources

  1. [1]: Covers.com – March Madness Round 3 betting promotions and sign-up bonus details
Author Robert Harris