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Grappling Industries Detroit
October 3, 2026 · 9:00 AM – 6:00 PM Unverified · Detroit—Grappling Industries Detroit is the next upcoming day-level stop on the official Grappling Industries Smoothcomp calendar: October 3, 2026 in Detroit, Michigan, United States. Round-robin BJJ/grappling tournament series. Registration: https://grapplingindustries.smoothcomp.com/en/event/25207. Verified 2026-09-30 (Asia/Shanghai) from the official federation upcoming calendar (CMS Dec 2025 draft discarded as past).