IBJJF
The International Brazilian Jiu-Jitsu Federation, whose tournaments Roger Gracie competed in, including a blue belt match where he regretted quitting due to exhaustion.
Videos Mentioning IBJJF

Jimmy Pedro: Judo and the Forging of Champions | Lex Fridman Podcast #236
Lex Fridman
Jiu-jitsu organization mentioned in the context of event organizers making commercial sense to control and monetize their content, unlike the IOC.

Josh Barnett: Philosophy of Violence, Power, and the Martial Arts | Lex Fridman #165
Lex Fridman
The International Brazilian Jiu-Jitsu Federation, mentioned as a contrast to less organized catch wrestling tournaments, highlighting the difference in professionalism and rule sets.

John Danaher: Grappling, Jiu Jitsu, ADCC, and Animal Combat | Lex Fridman Podcast #328
Lex Fridman
The International Brazilian Jiu-Jitsu Federation, mentioned regarding Pedro Marinho's world championship title in No-Gi.

Roger Gracie: Greatest Jiu Jitsu Competitor of All Time | Lex Fridman Podcast #343
Lex Fridman
The International Brazilian Jiu-Jitsu Federation, whose tournaments Roger Gracie competed in, including a blue belt match where he regretted quitting due to exhaustion.

Dave Camarillo (Full Episode) | The Tim Ferriss Show (Podcast)
Tim Ferriss
The biggest stage for Jiu-Jitsu competitions, mentioned in the context of Rafael Mendes's numerous world titles.