The 2023 IBJJF World Championships are live, and the colored belts are first to take the mats. With hundreds of brown belts and blue belts registered to compete, it can be tough to keep track of the top athletes. We've got you covered. Check out our list for the key competitors to watch in each division below, as well as estimated start times and which mat they'll begin the tournament on.

Watch the 2023 IBJJF Worlds live on FloGrappling here!

Brown Belt Male

Roosterweight (25 athletes)

Shay Montague | 7:42 p.m. ET | Mat 11

Everton Sousa Texeira | 7:30 p.m. ET | Mat 9

Light Featherweight (32 athletes)

Rerrison Gabriel | 8:28 p.m. ET | Mat 4

Kevin Gabriel Alencar | 8:28 p.m. ET | Mat 1

Demian Hosokawa | 8:10 p.m. ET | Mat 3

Featherweights (39 athletes)

Cleison dos Santos | 8:48 p.m. ET | Mat 9

Eduardo ‘Dudu’ Granzotto | 8:42 p.m. ET | Mat 11

Florian Bayili | 8:58 p.m. ET | Mat 9

Marco Mendes | 8:40 p.m. ET | Mat 12

Mourece Ramirez | 8:52 p.m. ET | Mat 11

Roothchild St. Germain | 8:30 p.m. ET | Mat 12

Lightweight (53 athletes)

Thiago Saboia |  5:18 p.m. ET | Mat 1

Kauan Batista | 4:22 p.m. ET | Mat 7

Cole Abate | 5:18 p.m. ET | Mat 5

Sandrey Henrique da Silva de Paula | 5:18 p.m. ET | Mat 8

Karl Pegers | 5:18 p.m. ET | Mat 2

Matheus de Moraes Coelho | 5:10 p.m. ET | Mat 3

Enzo Azara | 4:38 p.m. ET | Mat 8

Middleweight (41 athletes)

Rafael Silveira Broges | 5:58 p.m. ET | Mat 2

Jefferson Goteu | 5:38 p.m. ET | Mat 1

João Gabriel Galvao | 5:48 p.m. ET | Mat 6

Fabyury Khrysthyan | 6:08 p.m. ET | Mat 5

Gleison Rogerio da Silva Santos | 6:00 p.m. ET | Mat 3

Medium Heavyweight (31 athletes)

Jose Jurema | 6:59 p.m. ET | Mat 2

João Pedro Silva | 8:00 p.m. ET | Mat 3

Jorge Valladares | 7:48 p.m. ET | Mat 4

Heavyweight (31 athletes)

Enzo Guimares | 7:08 p.m. ET | Mat 8

Wesley Felix Oliviera | 7:48 p.m. ET | Mat 6

Francisco Papasidero | 7:48 p.m. ET | Mat 8

Luccas Lira | 7:38 p.m. ET | Mat 8

Dory Aoun | 7:16 p.m. ET | Mat 7

Gabriel Brod | 8:06 p.m. ET | Mat 7

Pedro Rubim | 6:48 p.m. ET | Mat 6

Super Heavyweight (22 athletes)

Nicholas Maglicic | 6:38 p.m. ET | Mat 6

Rayron Gracie | 6:58 p.m. ET | Mat 8

Ultra Heavyweight (19 athletes)

Matheus de Menezes | 6:48 p.m ET | Mat 1

Helder Jose Rodrigues Júnior | 6:48 p.m. ET | Mat 4

The male blue belt adults will also take the mats on Thursday. See the estimated division start times, the depths of each roster, and the standout names to watch for below.

Blue Belt Male

• Rooster: 12:30 PM (27 athletes)
• Light Feather: 1:02 PM (51 athletes)
• Feather: 11:50 PM (81 athletes)
• Light: 12:30 PM (92 athletes)
• Middle: 3:10 PM (78 athletes)
• Medium Heavy: 2:38 PM (47 athletes)
• Heavy: 4:14 PM (25 athletes)
• Super Heavy: 5:02 PM (23 athletes)
• Ultra Heavy: 5:34 PM (34 athletes)

Key names to watch:

• Tri Thien Quang
• Washington Ferreira dos Santos
• Bernardo Schirmer Gatti
• Eduardo Alves
• Dione Munis
• Matias Wajner
• Jose Victor Torres de Oliveira Rossi
• João Victor Nascimento "Bolinho"