Martial Arts · Niagara Region
2026 Great Lakes Open
Saturday, August 8, 2026
The Great Lakes Open welcome and invite all Jiu-Jitsu academies to participate in this tournament.
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THIS EVENT IS A PRE-REGISTRATION ONLY!
This event will be GI for Kids/Teens (4 to 15 yrs old)
GI and NoGI for Juvenile/Adults/Masters (16+ yrs old)
Divisions will be for all ages (starting at 4 yrs old), belts and weight classes
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WEIGH-INS
Friday, 7AUGUST: 6:00pm - 8:00pm (Adult & Kid Division Changes will be permitted at this time)
Saturday, 8AUGUST: 7:00am - 8:00am (Kid Division Changes will be permitted at this time)
Saturday, 8AUGUST: 1 hour before division start time (No Division changes permitted)
Competitors (Kid, Juvenile & Adult) that miss weight after the early weigh-in opportunities will be disqualified.
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Event is sanctioned by Ontario Jiu Jitsu Association. All athletes are required to have a valid membership.
Note: If you have any issues or questions regarging OJA membership please email us at events@ontariojiujitsuassociation.com
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Tournament Date
SATURDAY AUGUST 8th 2025
RULES: https://www.ontariojiujitsuassociation.com/bjj-tournament-rules/
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BELT & AGE DIVISIONS (Note: Age divisions are based on Year of Birth)
Year of Birth Age Division Belts
2022/2021 Kids 1 White, Grey
2020/2019 Kids 2 White, Grey, Yellow
2018/2017 Kids 3 White, Grey, Yellow
2016/2015 Youth 1 White, Grey, Yellow & Up
2014/2013 Youth 2 White, Grey, Yellow & Up
2012/2011 Teen White, Grey, Yellow & Up
2010/2009 Juvenile White, Blue
2008 and before Adult Male White, Blue, Purple, Brown, Black
2008 and before Adult Female White, Blue, Purple, Brown/Black
1996 and before Master 1 White, Blue, Purple, Brown/Black
1986 and before Master 2 White, Blue, Purple, Brown/Black
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REGISTRATION FEES
Early Bird Price (until May 25th): $80+tax
Regular Price (until July 12th): $100+tax
Late Price (until August 4th): $110+tax
+ $50+tax for Gi and NoGi
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SPECTATOR ENTRANCE FEE
$10 cash only
Children ages 8 and younger = No Admission Fee
Senior ages 65 and older = No Admission Fee
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IMPORTANT DATES
Registration Deadline: Tuesday August 4th 2025
Last day for Cancellations / Full Refunds: Tuesday August 4th 2025
Registration Check day (Athlete correction) deadline Wed Aug 5th 2025
Schedule Release Date Friday August 7th 2025
Brackets Release Date Friday August 7th 2025
Sport
Martial Arts
Participants
0
Goya participants
UV index
6.8
High
Temperature
20° / 31°
Drizzle
Humidity
71%
18% chance of rain · 1.8 mm
Wind
16 km/h
SO
Organized by Ontario Jiu Jitsu
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Location
Niagara Region, Canada, 
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Questions about this event
Answers to your questions
2026 Great Lakes Open is a martial arts event in Niagara Region, taking place on Saturday, August 8, 2026. Find all the practical details — location, schedule and prices — directly on this page.
2026 Great Lakes Open takes place at Niagara Region, Canada, Niagara Region. You will find its exact location and links to Google Maps and Waze further down this page.
2026 Great Lakes Open takes place on Saturday, August 8, 2026. Check the exact schedule with the organiser, as times may vary by category or format.
2026 Great Lakes Open is free to enter, with no participation fee expected. This information may change, so check it with the organiser.
No participant limit has been provided for 2026 Great Lakes Open. The number registered through Goya is visible on this page, but this information may change. If in doubt, contact the organiser.
To take part in 2026 Great Lakes Open comfortably, plan training suited to martial arts, wear appropriate clothing and bring any equipment recommended by the organiser.
2026 Great Lakes Open is organised by Ontario Jiu Jitsu. For questions about the rules, access or accommodation, contact the organiser directly.
The weather forecast for the location and date of 2026 Great Lakes Open is available higher up on this page and is updated as the event approaches.