Jack 🇺🇸
John Marin
184 profile views · Last seen 12 hour(s) ago
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About
- Training since first belt7 year(s) and 3 month(s)
- Competition record1-7-08 matches
- Medals1
0
0
1 - Training logged215hr 53m
- LocationCharleston, South Carolina, United States of America
- AcademyHoly City Jiu Jitsu Unclaimed
- AffiliationThe Jiu Jitsu Academy
Lineage
Professor Mike Sanda<-Professor Bruce Shepherd<-Master Marcelo Ferreira<-Grand Master Francisco Mansor<-Grand Master Helio Gracie
Gi or no-gi
Mostly ginow
65% Gi35% No-gi
Achievements
3 of 18 unlockedProfile manually reviewed & certificate issued
Current rank verified by promoting instructor
Name verified by credit card
Verifications received16 / 25
102550
Years trained7 / 10
5101520
Gold medals0 / 5
51025
Competition matches8 / 10
1050100
Forum posts26 / 500
5001,000
Wall
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Gallery
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Glad to see my younger brother training at Citadel Martial Arts. November 2024
Purple belt promotion with Matt Ellison
90 minutes of rounds on 5/19/25
2023 IBJJF Charleston Fall Open
No gi with Professor Greg at Holy City
Throwback to my time at Team Mannon in Blacksburg, VA. 2/08/2020
SEGA's Holy City Sub-Series
SEGA's Holy City Sub-SeriesPromotion history
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- 10 months, 28 days
Purple belt Current belt
November 3, 2025Holy City Jiu Jitsu
Promoted byGreg Elliot
3 years, 8 daysBlue belt
October 26, 2022Charleston, USA, Holy City Jiu jitsu
Promoted byMike SandaFirst stripe 10/16/2023 given by Professor Greg Elliot
- Stripe 1October 16, 2023
- Stripe 2April 10, 2024
- Stripe 3September 9, 2024
- Stripe 4August 4, 2025
- 3 years, 3 months, 25 days
White belt
July 1, 2019Acton, USA, Mass BJJ
Votes received for current rank
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"good to go congrats on the purple"
JThank you sir!
10 month(s) ago
"Rolled with Jack recently and he is a very solid and talented blue belt!"
JThanks Rob!
10 month(s) ago
"Legit. Good documentation. Keep up the good work!"
JThank you sir!
10 month(s) ago
"Jack is an excellent training partner and has a wealth of knowledge that is great for any room."
JThanks coach!
5 month(s) ago
"Enough evidence ! Congrats on the purple belt "
JThank you sir!
10 month(s) ago
"I don't know John, but there seems to be enough evidence to verify rank. :)"
JThank you sir!
10 month(s) ago
Videos 1
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Medals
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SEGA's Holy City Sub-Series 2023
Mar 2023
Seminars, camps & workshops attended
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Nader Tannir Seminar: leg entries from De la Riva
Apr 8
Heidi Lozano Seminar
Oct 2025
Gustavo Dantas Seminar
Aug 2023
Mike Sanda Closed Guard Seminar
Apr 2023
CJ Murdock Seminar
Oct 2022
