BowlerProfiles
Ranking
Competitive peak
USBC bowler profile

Ronald S Izumi

League Competitor
272-17724 Bowling since 2002
180+ peak 180+ career avg 500 games
Lifetime average 187.05 Across all recorded seasons
Lifetime games 817 USBC-recorded games
Highest average 198 24 games
Career honors 0 Recognized achievements
What this profile flair means
Competitive peak aura

The nameplate aura reflects a highest recorded league average of 198.

League Competitor

The starting title for a bowler with recorded league history.

Honor pins

Pins appear after a recognized 300 game, 800 or 900 series, or 11-in-a-row award.

Milestone marks

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

Roster matching

League Finder

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Historical records

League History

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

Recent composite averages

2020 House
183 average · 36 games
2019 House
189 average · 54 games
2018 House
191 average · 60 games
2017 House
187 average · 59 games
2015 House
186 average · 33 games

League averages

2019-2020

Ohana W19 · W
183 average · 36 games

2018-2019

Ohana W18 · W
189 average · 54 games

2017-2018

Ohana W17-18 · W
191 average · 60 games

2016-2017

Ohana 16-17 · W
194 average · 38 games
Ohana S17 · S
175 average · 21 games

2014-2015

Ohana W14-15 · W
192 average · 21 games
Ohana S15 · S
175 average · 12 games

2010-2011

San Jose Nisei Handicap · W
191 average · 38 games

2009-2010

San Jose Nisei Handcp · S
180 average · 23 games
San Jose Nesei Handicap · W
180 average · 28 games

2008-2009

San Jose Nisei Handicap (Summer) · S
198 average · 24 games
San Jose Nisei Handicap · W
195 average · 59 games

2007-2008

San Jose Niesi Hdcp · S
198 average · 29 games
San Jose Nisei Handicap · W
195 average · 70 games
825 Summer Scratch · S
190 average · 27 games

2006-2007

San Jose Nisei Mixed 4's · S
198 average · 36 games
S J Nisei 725 Scratch · W
191 average · 78 games

2005-2006

S J Nisei 725 Scratch · W
181 average · 72 games
S J Nisei Mixed 4's Summer · S
169 average · 28 games

2001-2002

Wednesday Night Mixers · W
176 average · 63 games
USBC standing

Memberships

Not currently active
Santa Clara County USBC Most recent
2019-08-01 — 2020-07-31
Santa Clara County USBC Past
2018-08-01 — 2019-07-31
Santa Clara County USBC Past
2017-08-01 — 2018-07-31
Santa Clara County USBC Past
2016-08-01 — 2017-07-31
Santa Clara County USBC Past
2014-08-01 — 2015-07-31
Santa Clara County USBC Past
2010-08-01 — 2011-07-31
Santa Clara County USBC Past
2009-08-01 — 2010-07-31
Santa Clara County USBC Past
2008-08-01 — 2009-07-31
Santa Clara County USBC Past
2007-08-01 — 2008-07-31
Santa Clara County USBC BA Past
2006-08-01 — 2007-07-31
Santa Clara Valley BA Past
2005-08-01 — 2006-07-31
Santa Clara Valley BA Past
2001-08-01 — 2002-07-31
Career milestones

Honors

0900 series
0800 series
0300 games
011 in a row
Tournament history

Open Championships

Adjusted entering average 220 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.

245 → 220

The Open Championships average uses the most recent 27 games bowled from 2016 through 2025. Search historical championship scores.