
Organized by Grappling Industries
The Grappling Industries BOISE tournament will take place on December 12, 2026, at the Western Idaho Fairgrounds in Boise, ID. This event will include both gi and nogi competitions.
Grappling Industries' Boise event takes over the Western Idaho Fairgrounds with a full slate of gi and no-gi divisions under the promotion's own points-and-advantages rules. As with every stop on the circuit, brackets are organized by age, weight, and belt, and adult/masters/senior competitors can add an Absolute bracket for an extra fee. The event runs December 12, 2026 at the Western Idaho Fairgrounds, 5610 N Glenwood St in Garden City, near Boise, ID. Online pre-registration through Smoothcomp is the only way in — it closes four days before the event, though spectators can still pay to watch at the door. Remember: gi competitors must register at their current ranked belt, and no-gi competitors may register one belt level up. Find the registration link on Let's Roll.
Grappling Industries is a Brazilian Jiu-Jitsu and submission-wrestling tournament organizer founded in 2011 in Montreal, Canada, by David Aguzzi. It's built around a proprietary Round Robin format that guarantees competitors multiple matches per division instead of single-elimination brackets, and now runs 200+ gi and no-gi events a year across North America, Latin America, the UK, Europe, Australia, the Middle East, Africa, and Asia.
Grappling Industries is best known for its round robin format: instead of single elimination, competitors in a division face multiple opponents — at least two matches guaranteed in the smallest divisions and typically four or more as divisions grow, with larger divisions splitting into pools that feed semifinals and finals. Placement comes from win-loss record, and a submission win carries extra weight in the standings, so finishing matches matters more than squeaking by on points.
Within each match, scoring follows IBJJF-based rules — the familiar positional point values and advantages apply. Events run both gi and no-gi divisions on the same day for kids and adults, which combined with the guaranteed-matches format makes these events popular for competitors who want mat time, not a one-loss exit.
Always confirm the official rulebook before you compete — organizations update rules between seasons. See the official event page for current rules.
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