The NCAA men's tournament bracket challenge is officially open, with ESPN launching its annual Men's Tournament Challenge. The competition begins Thursday, March 19 at 12:15 p.m. ET, featuring a $125,000 total prize pool and allowing participants to submit up to 25 brackets. Players can join public or private groups to compete against friends.

This year's contest includes special prizes for those who complete all 25 bracket entries, adding extra incentive for dedicated participants. The tournament runs through April 6, giving fans nearly three weeks of bracket excitement. ESPN's platform remains the #1 Men's bracket game, maintaining its dominance in college basketball tournament predictions.

With the field set and games about to begin, basketball fans nationwide are finalizing their selections. The bracket challenge represents one of the most popular annual traditions in sports, combining the excitement of March Madness with friendly competition among colleagues, family, and friends.