BowlerProfiles
Ranking
Scratch peak
USBC bowler profile

Mark C Gyotoku

Double Honor Bowler
266-1898 Bowling since 2002
×1 800 series ×1 300 games ×1 11 in a row
200+ peak 200+ career avg 2.5K games Honor earned
Lifetime average 208.75 Across all recorded seasons
Lifetime games 2861 USBC-recorded games
Highest average 218 81 games
Career honors 3 Recognized achievements
What this profile flair means
Scratch peak aura

The nameplate aura reflects a highest recorded league average of 218.

Double Honor Bowler

Awarded for recording both a 300 game and an 800 series.

Honor pins

Each pin names a recognized honor and shows how many times it was earned.

Milestone marks

These celebrate peak average, career average, recorded games, and accumulated honors separately.

Historical records

League History

USBC records begin in 2002. Sport and challenge conversions are summarized below.

Recent composite averages

Year2026
Type House
Average212
Games81
Year2025
Type House
Average218
Games81
Year2024
Type House
Average210
Games84

League averages

2025-2026

League
Nisei Invitational 2025-26
SeasonW
Average212
Games81

2024-2025

League
Nisei Invitational 2024-25
SeasonW
Average218
Games81

2023-2024

League
Nisei Invitational 2023- 24
SeasonW
Average210
Games84
Show earlier league averages Hide earlier league averages

2022-2023

League
Nisei Invitational 2022-2023
SeasonW
Average216
Games72

2021-2022

League
Nisei Invitational 2021-2022
SeasonW
Average199
Games81

2019-2020

League
Nisei Invitational 2019-202
SeasonW
Average213
Games63

2018-2019

League
Reno Fun League 2019
SeasonS
Average & games Not available in this record
League
Nisei Invitational 2018-2019
SeasonW
Average212
Games75

2017-2018

League
Nisei Invitational 2017-2018
SeasonW
Average212
Games87
League
Reno Fun League 2018
SeasonS
Average211
Games42

2016-2017

League
Reno Fun League 2017
SeasonS
Average213
Games39
League
Nisei Invitational
SeasonW
Average204
Games84

2015-2016

League
Reno Fun
SeasonS
Average215
Games38
League
Nisei Invitational
SeasonW
Average205
Games87

2014-2015

League
Reno Fun
SeasonS
Average209
Games30
League
Nisei Invitational
SeasonW
Average205
Games84

2013-2014

League
Reno Fun Summer
SeasonS
Average204
Games21
League
Nisei Invitational
SeasonW
Average197
Games90

2012-2013

League
Nisei Invitational
SeasonW
Average214
Games87

2011-2012

League
Nisei Invitational
SeasonW
Average216
Games90

2010-2011

League
Nikkei Invitational Mixed Trios
SeasonW
Average & games Not available in this record
League
Nisei Invitational
SeasonW
Average208
Games84

2009-2010

League
Nisei Invitational
SeasonW
Average212
Games87

2008-2009

League
Nisei Invitational
SeasonW
Average206
Games87
League
825 Scratch
SeasonS
Average201
Games15

2007-2008

League
830 Scratch
SeasonS
Average & games Not available in this record
League
Nisei Invitational
SeasonW
Average210
Games75
League
Nikkei Invitational Trios
SeasonS
Average199
Games27

2006-2007

League
Nisei Invitational
SeasonW
Average213
Games90

2005-2006

League
Nisei Invitational
SeasonW
Average212
Games90

2004-2005

League
Nisei Invitational
SeasonW
Average206
Games690
League
Nikkei Mixed Trios Summer
SeasonS
Average204
Games33

2003-2004

League
Nisei Invitational
SeasonW
Average213
Games90

2002-2003

League
Nisei Invitational
SeasonW
Average205
Games87

2001-2002

League
Nisei Invitational
SeasonW
Average206
Games90
USBC standing

Memberships

Not currently active
AssociationSan Francisco USBC
StatusMost recent
From2025-08-01
Through2026-07-31
AssociationSan Francisco USBC
StatusPast
From2024-08-01
Through2025-07-31
AssociationSan Francisco USBC
StatusPast
From2023-08-01
Through2024-07-31
AssociationSan Francisco USBC
StatusPast
From2022-08-01
Through2023-07-31
AssociationSan Francisco USBC
StatusPast
From2021-08-01
Through2022-07-31
Show earlier memberships Hide earlier memberships
AssociationSan Francisco USBC
StatusPast
From2019-08-01
Through2020-07-31
AssociationSan Francisco USBC
StatusPast
From2018-08-01
Through2019-07-31
AssociationSan Francisco USBC
StatusPast
From2017-08-01
Through2018-07-31
AssociationSan Francisco USBC
StatusPast
From2016-08-01
Through2017-07-31
AssociationSan Francisco USBC
StatusPast
From2015-08-01
Through2016-07-31
AssociationSan Francisco USBC
StatusPast
From2014-08-01
Through2015-07-31
AssociationSan Francisco USBC
StatusPast
From2013-08-01
Through2014-07-31
AssociationSan Francisco USBC
StatusPast
From2012-08-01
Through2013-07-31
AssociationSan Francisco USBC
StatusPast
From2011-08-01
Through2012-07-31
AssociationSan Francisco USBC
StatusPast
From2010-08-01
Through2011-07-31
AssociationSan Francisco USBC
StatusPast
From2009-08-01
Through2010-07-31
AssociationSan Francisco USBC
StatusPast
From2008-08-01
Through2009-07-31
AssociationSan Francisco USBC
StatusPast
From2007-08-01
Through2008-07-31
AssociationSan Francisco USBC
StatusPast
From2006-08-01
Through2007-07-31
AssociationSan Francisco BA
StatusPast
From2005-08-01
Through2006-07-31
AssociationSan Francisco BA
StatusPast
From2004-03-15
Through2005-07-31
AssociationSan Francisco BA
StatusPast
From2003-08-01
Through2004-07-31
AssociationSan Francisco BA
StatusPast
From2002-08-01
Through2003-07-31
AssociationSan Francisco BA
StatusPast
From2001-08-01
Through2002-07-31
Career milestones

Honors

0900 series
1800 series
1300 games
111 in a row

800 series

Series814
Bowling centerSerra Bowl
DateNovember 15 2007
Game scores289278247

300 games

Bowling centerClassic Bowling Center
DateOctober 20 2016
Game scores191206300

11 in a row

Bowling centerClassic Bowling Center
DateOctober 18 2012
Tournament history

Open Championships

Adjusted entering average 189 Fewer than 27 recorded Open Championship games

How it was calculated

The highest sport-adjusted average from the last three bowling seasons is used until 27 Open Championship games are available.

2024/25218 → 189

Your Open Championships average is calculated from your 27 most recent games bowled between 2018 and 2026.
Search historical Open Championships scores.