Martial Arts · Trondheim
Trondheim Open September Showdown
Saturday, September 12, 2026
Join us for an exhilarating competition open to grapplers of all levels.
Hosted at Havet Arena.
The perfect setting for a full day of grappling, amazing BBQ, saunas and good vibes.
Experience Classes:
- Beginner: Less than 2 year of training and BJJ white belt
- Intermediate: 2-5 years of training, BJJ Blue belt or competed in MMA
- Advanced: More than 5 years of training, BJJ purple belt or Judo black belt
No matter your background in grappling—whether it’s Judo, Wrestling, Sambo, Traditional Jiu Jitsu, or any similar discipline—your experience counts.
Gi competitiors will be using belt classes for the Gi competition
Master Classes : 40 years and above
We will create Masters divisions where the number of competitors is sufficient. Weight and skill classes may be merged to accommodate this.
Kids competition:
Classes, competition fees and rules can be found in the Kids competition tab.
Estimated schedule (will be subject to change):
The doors open: 08:00
Kids Weigh ins: 08:00-08:30.
Kids rules meeting: 08:30
Kids First match: 09:00. Kids competition end 11:00
Adult Gi Weigh ins end: 10:30
Rules meeting: 10:30
Adult Gi First match: 11:00
Adult Nogi Weigh ins end: 12:30
Adult Nogi first match: 13:00 Adult competition end 17:00
Competition fee:
Gi or No-Gi Single class registration: 400 NOK
Both Gi and No-Gi registration: 550 NOK
Kids: 200 NOK
Sport
Martial Arts
Participants
0
Goya participants
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Location
Trondheim, Norway, 
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Questions about this event
Answers to your questions
Trondheim Open September Showdown is a martial arts event in Trondheim, taking place on Saturday, September 12, 2026. Find all the practical details — location, schedule and prices — directly on this page.
Trondheim Open September Showdown takes place at Trondheim, Norway, Trondheim. You will find its exact location and links to Google Maps and Waze further down this page.
Trondheim Open September Showdown takes place on Saturday, September 12, 2026. Check the exact schedule with the organiser, as times may vary by category or format.
Trondheim Open September Showdown 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 Trondheim Open September Showdown. 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 Trondheim Open September Showdown comfortably, plan training suited to martial arts, wear appropriate clothing and bring any equipment recommended by the organiser.
The weather forecast for the location and date of Trondheim Open September Showdown is available higher up on this page and is updated as the event approaches.