Make baskets of cash this March during the $100,000 Bracket Challenge! Watch your favorite college teams compete in the NCAA Division 1 Men’s Basketball Tournament and score from the sidelines by simply filling out a bracket!

Ready to play? Dribble over to the BetRivers at Swinomish Sportsbook Lounge between March 1 and 18. You’ll receive a promo code to register and complete your bracket online. Want a better shot at a slam dunk? Place a qualified $50 bet to score an additional bracket! If you place your bet at a sports betting kiosk, bring the receipt to the counter in the lounge to receive the promo code. Every $50 bet grants another bracket, so take as many shots as you want! Registration ends at 11:59pm on March 18, so get all your brackets in before the buzzer goes off!

After submitting your bracket, kick back, relax, and enjoy all the college basketball action! If you have a perfect bracket at the end of the tournament, you will receive the $100,000 insured cash prize courtesy of Odds On Promotions.

Busted your bracket? The fun’s not over! We’re also giving out a total of $5,700 in cash and Promo Play throughout the tournament to our leaderboard winners! At the end of each week, we’ll update our leaderboard and display it online. Winners must stop by Swinomish Casino & Lodge within a week to receive their prize. Take a look at the payouts below, and make sure to catch all the excitement of the NCAA Division 1 Men’s Basketball Tournament on the 30-foot video wall at the BetRivers at Swinomish Sportsbook Lounge!

The guest is responsible for visiting the BetRivers at Swinomish Sportsbook Lounge to register during the designated time frame to be eligible to win. Must register for the NCAA bracket challenge between March 1 and March 18, 2026. Guests can receive an additional bracket for each $50 wager at the BetRivers at Swinomish Sportsbook. Brackets must be registered online. Registration closes at 11:59pm on March 18, 2026. Management reserves all rights.