Callen Oster | CompSeek

Grappling Industries CLEVELAND 2026-09-26

🥈 2nd No Gi Adult / Male / Intermediate (Blue) / Adult / -170 lbs · 🥇 1st Gi Adult / Male / Blue / Adult / -170 lbs

Won vs Ali A Abdishakur (Ronin Training Center/ GFT-Ohio)
No Gi Adult / Male / Intermediate (Blue) / Adult / -170 lbs · Round 4 · submission
Lost vs Forrest “Burrito Supreme” Ramage (Strong Style MMA/Effective Jiu-Jitsu)
No Gi Adult / Male / Intermediate (Blue) / Adult / -170 lbs · Round 4 · points
Won vs James Robinson (Ohio Combat Sports Academy)
No Gi Adult / Male / Intermediate (Blue) / Adult / -170 lbs · Round 2 · points
Won vs Javan Starkey (Powers Martial Arts Academy)
No Gi Adult / Male / Intermediate (Blue) / Adult / -170 lbs · Round 1 · submission
Won vs James Robinson (Ohio Combat Sports Academy)
Gi Adult / Male / Blue / Adult / -170 lbs · Round 5 · submission
Won vs Ali A Abdishakur (Ronin Training Center/ GFT-Ohio)
Gi Adult / Male / Blue / Adult / -170 lbs · Round 3 · points
Won vs Javan Starkey (Powers Martial Arts Academy)
Gi Adult / Male / Blue / Adult / -170 lbs · Round 3 · submission
Won vs Forrest “Burrito Supreme” Ramage (Strong Style MMA/Effective Jiu-Jitsu)
Gi Adult / Male / Blue / Adult / -170 lbs · Round 1 · submission

🥉 3rd Male Gi / Blue / Master 1 (30+) / -168,00 lbs (Light)

Won vs Marcus Everett (Ohio Brasa)
Male Gi / Blue / Master 1 (30+) / -168,00 lbs (Light) · Round 2 · points
Lost vs David Wise (Iron & Soul)
Male Gi / Blue / Master 1 (30+) / -168,00 lbs (Light) · Round 1 · points

🥇 1st Gi Adult / Male / Blue / Adult / -170 lbs · 🥇 1st No Gi Adult / Male / Intermediate (Blue) / Adult / -170 lbs

Won vs Zane Reed (Waterfront MMA)
No Gi Adult / Male / Intermediate (Blue) / Adult / -170 lbs · Round 3 · submission
Won vs Dacoda Randall (Campbell Martial Arts)
No Gi Adult / Male / Intermediate (Blue) / Adult / -170 lbs · Round 2 · walkover
Won vs Porter Calcek (Octane Martial Arts)
Gi Adult / Male / Blue / Adult / -170 lbs · Round 3 · submission
Won vs Zane Reed (Waterfront MMA)
Gi Adult / Male / Blue / Adult / -170 lbs · Round 2 · submission

🥇 1st Gi Adult / Male / Blue / Master (30+) / -170 lbs · 🥈 2nd No Gi Adult / Male / Intermediate (Blue) / Adult / -170 lbs

Lost vs Epifanio Peterson (Academy 440 Jiu-jitsu & Fitness)
No Gi Adult / Male / Intermediate (Blue) / Adult / -170 lbs · Round 2 · points
Lost vs Epifanio Peterson (Academy 440 Jiu-jitsu & Fitness)
No Gi Adult / Male / Intermediate (Blue) / Adult / -170 lbs · Round 1 · submission
Won vs Robert Xu (Hurricane Jiu Jitsu (Cleveland))
Gi Adult / Male / Blue / Master (30+) / -170 lbs · Round 3 · points
Won vs Robert Xu (Hurricane Jiu Jitsu (Cleveland))
Gi Adult / Male / Blue / Master (30+) / -170 lbs · Round 2 · submission
Lost vs Robert Xu (Hurricane Jiu Jitsu (Cleveland))
Gi Adult / Male / Blue / Master (30+) / -170 lbs · Round 1 · points

🥈 2nd Gi Adult / Male / Blue / Adult / -170 lbs

Won vs David Wise (Iron & Soul)
Gi Adult / Male / Blue / Adult / -170 lbs · Round 3 · submission
Won vs Joshua Stahl (Team Kriebel Ohio Brazilian Jiu Jitsu Academy)
Gi Adult / Male / Blue / Adult / -170 lbs · Round 2 · submission
Won vs Vince Nerone (Relson Gracie Cleveland)
Gi Adult / Male / Blue / Adult / -170 lbs · Round 2 · submission
Lost vs David Arakelyan (Ararat Martial Arts)
Gi Adult / Male / Blue / Adult / -170 lbs · Round 1 · points

🥇 1st Gi Adult / Male / Blue / Master (30+) / -170 lbs · 🥉 3rd No Gi Adult / Male / Intermediate (Blue) / Master (30+) / -170 lbs

Lost vs Mark Linton (10th Planet - Newark)
No Gi Adult / Male / Intermediate (Blue) / Master (30+) / -170 lbs · Round 2 · submission
Lost vs Alex Waterman (10th Planet Columbus)
No Gi Adult / Male / Intermediate (Blue) / Master (30+) / -170 lbs · Round 1 · points
Won vs Jesse Bates (Ronin Training Center/ GFT-Ohio)
Gi Adult / Male / Blue / Master (30+) / -170 lbs · Round 3 · submission
Won vs Rodney Grim (Ronin Training Center/ GFT-Ohio)
Gi Adult / Male / Blue / Master (30+) / -170 lbs · Round 1 · submission

🥇 1st Gi Adult / Male / Blue / Master (30+) / -185 lbs · 🥇 1st No Gi Adult / Male / Intermediate (Blue) / Master (30+) / -185 lbs

Lost vs Pedro Sanchez (36 Chambers Jiu-Jitsu Academy)
No Gi Adult / Male / Intermediate (Blue) / Master (30+) / -185 lbs · Round 2 · points
Won vs Glen Hayes (Team East Coast BJJ/Team James Clingerman)
No Gi Adult / Male / Intermediate (Blue) / Master (30+) / -185 lbs · Round 1 · submission
Won vs Pedro Sanchez (36 Chambers Jiu-Jitsu Academy)
Gi Adult / Male / Blue / Master (30+) / -185 lbs · Round 3 · submission
Won vs Glen Hayes (Team East Coast BJJ/Team James Clingerman)
Gi Adult / Male / Blue / Master (30+) / -185 lbs · Round 2 · submission

🥇 1st Men No-Gi / Intermediate / 160 - 169.9 (Welter Weight) / Master (30+) · 🥇 1st Men Gi / Blue / 160 - 169.9 (Welter Weight) / Master (30+)

Won vs Brandon Benic (Elevated BJJ)
Men Gi / Blue / 160 - 169.9 (Welter Weight) / Master (30+) · Round 3 · points
Lost vs Brandon Benic (Elevated BJJ)
Men Gi / Blue / 160 - 169.9 (Welter Weight) / Master (30+) · Round 2 · points
Won vs Brandon Benic (Elevated BJJ)
Men Gi / Blue / 160 - 169.9 (Welter Weight) / Master (30+) · Round 1 · submission
Won vs Brandon Benic (Elevated BJJ)
Men No-Gi / Intermediate / 160 - 169.9 (Welter Weight) / Master (30+) · Round 3 · submission
Lost vs Brandon Benic (Elevated BJJ)
Men No-Gi / Intermediate / 160 - 169.9 (Welter Weight) / Master (30+) · Round 2 · points
Won vs Brandon Benic (Elevated BJJ)
Men No-Gi / Intermediate / 160 - 169.9 (Welter Weight) / Master (30+) · Round 1 · points

🥉 3rd Male Gi / Blue / Master 1 (30+) / -168,00 lbs (Light)

Won vs Hiroki Kato (Jits56)
Male Gi / Blue / Master 1 (30+) / -168,00 lbs (Light) · Round 3 · submission
Won vs Juan Morales (Iron and Soul Jujitsu)
Male Gi / Blue / Master 1 (30+) / -168,00 lbs (Light) · Round 2 · points
Lost vs Hiroki Kato (Jits56)
Male Gi / Blue / Master 1 (30+) / -168,00 lbs (Light) · Round 1 · points

🥈 2nd Gi Adult / Male / Blue / Master (30+) / -185 lbs

Lost vs Ryan Burrey (SG Brazilian Jiu-Jitsu / Adamas Jiu Jitsu)
Gi Adult / Male / Blue / Master (30+) / -185 lbs · Round 2 · points
Lost vs Ryan Burrey (SG Brazilian Jiu-Jitsu / Adamas Jiu Jitsu)
Gi Adult / Male / Blue / Master (30+) / -185 lbs · Round 1 · submission

🥈 2nd Male / Masters (30+) / Blue / Lightweight

Won vs Kyle Helfer (Super System BJJ)
Male / Masters (30+) / Blue / Lightweight · Round 3 · submission
Lost vs Matthew LaFollette (Triumph BJJ)
Male / Masters (30+) / Blue / Lightweight · Round 1 · points