Every verified March basketball tournament we track in Illinois — high school and post-grad. Right now that's a single event below.
Each card shows the host city, exact dates if confirmed, division (HS or post-grad), and where to register. Want a wider net? See every tournament in Illinois, or browse the full national calendar.
Illinois's boys' state series, presented by OSF Healthcare. The 2026 finals run March 12-14 at the State Farm Center in Champaign with all four classes packed into one weekend. The IHSA dates back to 1908, making it one of the oldest state series in the country.
Tournament details →National Prep Tournament · March 6–8, 2026
National Prep Tournament in Fort Walton Beach, Florida takes both high school and post-grad programs. Applications stay open through October 31. If you want a competitive early-March slot without invitation-only barriers, this is the one to apply for.
Apply for the National Prep Tournament →