The 2023 IBJJF World Master Championships are upon us, and the Master 1 division is brimming with talent. Kicking off on Thurssday, August 31st, here are the athletes to keep an eye on. 

See when the top masters athletes are competing, and what mats to find them on below. (All times are in PST)

M1 Male Black Belt

Roosterweight (10 athletes) Est. Start - 10:26am

Eduardo Barboza da Silva (GF Team) | 11:14am | Mat 32

Cícero Lívio Ribeiro S. Paiva (Ares BJJ)| 11:06am | Mat 32

Light Feather (25 athletes) Est. Start - 10:34am

João Ricardo Bordignon Miyao (Cicero Costha Internacional) | 11:22am | Mat 18

Paulo Henrique Bordignon Miyao (PSLPB Cicero Costha USA) |11:22am | Mat 17

Hiago George Santos Silva (Cicero Costha Internacional) | 11:54am | Mat 17

 Featherweight (46 athletes) Est. Start - 10:26am

José Tiago da Silva Barros (Cicero Costha International) | 11:14am | Mat 30

Gabriel Marangoni de Oliveira (Brasa CTA) | 11:06am | Mat 29

Samir Chantre (Ares BJJ) | 11:30am | Mat 29

Lightweight (71 athletes) Est. Start - 9:30am

Michael Remigio Liera Jr. (Atos Jiu-Jitsu) | 9:30am | Mat 24

Jonathan "JT" Torres (Atos Jiu-Jitsu) | 9:54am | Mat 18

Middleweight (68 athletes) Est. Start - 9:30am

Jaime Soares Canuto (GF Team International) |9:30 am | Mat 29

Medium Heavy (43 athletes) Est. Start - 10:26am

Sergio Raimundo Rios da Silva (Alliance) | 11:06am | Mat 26

Manuel Ribamar V. de Oliveira Filho (Rodrigo Pinheiro BJJ) | 11:30am | Mat 25

Heavyweight (38 athletes) Est. Start 10:34am

Frederico Pinto Cesar de Almeida (Otavio de Almeida) | 11:14am | Mat 21

Gustavo Mascarenhas Borges (GF Team) | 11:14am | Mat 19

 Super Heavy (31 athletes) Est. Start - 11:38am

Arnaldo Maidana de Oliveira (CheckMat) | 12:34pm | Mat 29

Rafael Lovato Jr. (Six Blades Jiu-Jitsu) | 12:26pm | Mat 21

Diego Dias Ramalho (ZR Team Association) | 12:02pm | Mat 20

Ultra Heavy (23 athletes) Est. Start - 12:42pm

Klidson Farias de Abreu (Gracie Barra) | 1:06pm | Mat 29

Max Santos Gimenis (GF Team) | 1:14pm | Mat 29

M1 Female Black Belt

Roosterweight (6 athletes) Est. Start - 10:34am

Serena Gabrielli (Flow) | 10:42am | Mat 27

Amber Rymarz-Freitas (Smartjits) | 11:06am | Mat 27

Light Feather (9 athletes) Est. Start - 10:58am

Ann Marie Kneib (Gracie Humaita) | 11:54 | Mat 27

Patrícia Maria N. Fontes dos Santos (CheckMat) | 11:38am | Mat 27

Featherweight (9 athletes) Est. Start - 11:46am 

Lightweight (14 athletes) Est. Start - 12:50pm 

Tracy R. Goodell (Free World Jiu-Jitsu) | 2:00pm | Mat 27

Nathalie Wan Soares Veras Ribeiro (CheckMat USA) | 2:16pm | Mat 27

Hannah Katharina Rauch (Gracie Humaita International) | 1:14pm | Mat 27 

Middleweight (10 athletes) Est. Start -1:06pm

Luciane dos Santos Silva (CheckMat) | 2:02pm | Mat 32

Michelle Marques de Oliveira (Team Forsa) | 2:10pm | Mat 32

Raquel Dayne Kaleialoha Canuto (CheckMat) | 1:22pm | Mat 32

Medium Heavy (10 athletes) Est. Start - 12:42pm

Elisabeth Katherine Mitrovic (Alliance) | 1:37pm | Mat 17

Nikki Lloyd-Griffiths (Immersion MMA) | 1:14pm | Mat 17

Maria Dulce Von Rosenthal (Alliance) | 1:22pm | Mat 17

Heavyweight (6 athletes) Est. Start - 12:02pm

Maria Malyjasiak (Abmar Barbosa Association) | 12:42pm | Mat 32

Lydia B Coleman (Notorious MMA) | 12:50pm | Mat 322

Super Heavy (6 athletes) Est. Start - 12:02pm

Mayara Monteiro Custódio (CheckMat) | 12:34pm | Mat 27

Jessica Flowers (Gracie Barra) | 12:42pm | Mat 27 

Stay tuned to FloGrappling.com for all the action and updates from the 2023 IBJJF World Master Championships!