Kolja Gerkens
Grappling Club Winterthur6 years on the mats
213 profile views · Last seen 1 hour(s) ago
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About
- Training since first belt6 year(s) and 11 month(s)
- AcademyGrappling Club Winterthur Verified
- Member sinceJanuary 20224 years on Beltchecker.com
Gi or no-gi
No-gi onlynow
0% Gi100% No-gi
Achievements
5 of 19 unlockedCurrent rank verified by promoting instructor
Name verified by credit card
Coach with confirmed students
Profile manually reviewed & certificate issued
Verifications received14 / 25
102550
Years trained6 / 10
5101520
Gold medals0 / 5
51025
Competition matches0 / 10
1050100
Forum posts13 / 500
5001,000
Students
BBBasil
TMThomas
PSPatrik
LGLuciano
Belt promotions
TMThomas
LGLuciano
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Gallery
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Promotion history
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- 1 year, 6 months, 27 days
Purple belt Current belt
April 19, 2025Tallinn, Estonia, Globetrotters Spring Camp 2025
Promoted byBig thanks to Joshua and the whole council of travelling black belts involved in this promotion
3 years, 7 months, 4 daysBlue belt
September 15, 2021Winterthur/Switzerland/Ferrer BJJ
Promoted byAlberto Ferrer
- 1 year, 9 months, 28 days
White belt
November 18, 2019Winterthur/Switzerland/Ferrer BJJ
Votes received for current rank
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"Know from BJJ Globetrotters camps"
"good to go congrats on the purple"
"I promoted him on Behalf of BJJ Globetrotters and all the black belts in Tallinn 2025 camp"
"I rolled with Kolja at the Summer Camp 2024. Very smooth, technical chess player. Legit!"
"I don't know Kolja, but there seems to be enough evidence to verify rank. :)"
"Photo evidence. Congrats on the purple belt. 🤙"
"Photo evidence. Congratulations!"
"Congrats for purple. Great Profile keep on rolling"
"🤙🏻"
"Well documented. Congrats!"
