Mason Groesbeck + Follow

2026 Seattle Dojo Annual Judo Tournament and Kata Competition 2026-05-02

🥉 3rd Senior (17+) / Male / Novice / -178lbs

• Won vs Genaro Hernandez (Obukan Judo Dojo, Inc.)
  Senior (17+) / Male / Novice / -178lbs · Round 5 · ippon
• Won vs Keane Bacso (Seattle Dojo)
  Senior (17+) / Male / Novice / -178lbs · Round 4 · ippon
• Lost vs Tom Childress (Zenyu Judo Dojo)
  Senior (17+) / Male / Brown/Black Belt / -178lbs · Round 4 · ippon
• Won vs Chan Kim (Judo at the University of Washington)
  Senior (17+) / Male / Novice / -178lbs · Round 3 · ippon
• Lost vs Luis Lopez (Zenyu Judo Dojo)
  Senior (17+) / Male / Brown/Black Belt / -178lbs · Round 3 · ippon
• Won vs Cancelled
  Senior (17+) / Male / Brown/Black Belt / -178lbs · Round 2 · no-show
• Won vs Michael Epton (Seattle Dojo)
  Senior (17+) / Male / Novice / -178lbs · Round 2 · ippon
• Lost vs Bob Liu (Oregon State University Judo Club)
  Senior (17+) / Male / Novice / -178lbs · Round 2 · ippon
• Won vs Kyle Wilson (Seattle Dojo)
  Senior (17+) / Male / Novice / -178lbs · Round 1 · ippon

2026 Budokan Annual Judo Tournament 2026-04-18

• Lost vs Colin Shamp Seattle Dojo (Seattle Dojo)
  Senior (18+) / Male / Novice / -178lbs · Round 3 · ippon
  ▶ Watch at 5:06:48
• Lost vs Erik Mohn (Ippon Judo (Washington USA))
  Senior (18+) / Male / Novice / -178lbs · Round 2 · ippon
  ▶ Watch at 3:43:23
• Lost vs Jack Blazes (Seattle Dojo)
  Senior (18+) / Male / Open / -178lbs · Round 2 · ippon
  ▶ Watch at 3:09:13
• Lost vs Alex Mykalo (Obukan Judo Dojo, Inc.)
  Senior (18+) / Male / Open / -178lbs · Round 1 · ippon
  ▶ Watch at 2:06:33

2026 NCJA National Collegiate and High School Nationals 2026-03-28

🥉 3rd College Male Novice (Below Sankyu) / 81kg / Male

• Lost vs Hunter Nguyen (Spartan Judo - SJSU)
  College Male Novice (Below Sankyu) / 81kg / Male · Round 6 · ippon
• Lost vs Joel Hetzel (Texas A&M Judo Team)
  College Male Novice (Below Sankyu) / 81kg / Male · Round 4 · ippon
• Won vs Rahim LATRECHE (SMU Judo)
  College Male Novice (Below Sankyu) / 81kg / Male · Round 3 · ippon
• Won vs Lincoln Hatlestad (Teikiatsu Judo)
  College Male Novice (Below Sankyu) / 81kg / Male · Round 2 · ippon

2026 North Sound Judo Invitational 2026-01-18

🥇 1st Senior / Male / Novice / -178lbs

• Won vs Shay Pedevilla-Cunningham (Seattle Dojo)
  Senior / Male / Novice / -178lbs · Round 3 · ippon
  ▶ Watch at 1:20:59
• Won vs Kyle Wilson (Seattle Dojo)
  Senior / Male / Novice / -178lbs · Round 2 · ippon
  ▶ Watch at 1:06:30
• Won vs Parker Dupee (North Sound Judo Club)
  Senior / Male / Novice / -178lbs · Round 1 · ippon
  ▶ Watch at 0:51:48

2025 Zenyu Dojo Fall Challenge 2025-11-15

🥉 3rd Senior / Male / Novice / -198lbs

• Won vs Samuel Marchis (Washington Judo Academy)
  Senior / Male / Novice / -198lbs · Round 3 · ippon
• Won vs Jarvis Zhen (Washington Judo Academy)
  Senior / Male / Novice / -198lbs · Round 2 · wazari
• Lost vs McGaiver Kenneth (Zenyu Judo Dojo)
  Senior / Male / Novice / -198lbs · Round 2 · yuko
• Won vs Samuel Marchis (Washington Judo Academy)
  Senior / Male / Novice / -198lbs · Round 1 · ippon