
Organized by PBG
Castle Rock, CO hosts the PBG Open Sub-Only tournament on August 29, 2026. The submission-only format keeps entry at $20 and rewards competitors who finish their matches.
PBG Open Sub-Only strips tournament grappling down to its simplest form: no points, no advantages, just submissions. It's a no-gi, submission-only format aimed at competitors who want to test their finishing skills without worrying about a referee's scorecard, and the $20 entry fee makes it one of the more accessible tournaments on the Colorado circuit for someone trying competition for the first time. The event runs August 29, 2026 in Castle Rock, CO, and is built for hobbyist and competitive grapplers alike who want low-pressure mat time. Registration is handled through the event's Smoothcomp page — spots at this price point tend to fill quickly, so signing up early is worth it. Check the listing for weigh-in times and division breakdowns by weight and experience.
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