BowlerProfiles
Ranking
Scratch peak
USBC bowler profile

Dean Leong

Perfect Game Bowler
210-1779 Bowling since 2002
×1 300 games ×1 11 in a row
200+ peak 180+ career avg 1K games Honor earned
Lifetime average 186.36 Across all recorded seasons
Lifetime games 2286 USBC-recorded games
Highest average 201 63 games
Career honors 2 Recognized achievements
What this profile flair means
Scratch peak aura

The nameplate aura reflects a highest recorded league average of 201.

Perfect Game Bowler

Awarded for recording a sanctioned 300 game.

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

2026 House
176 average · 117 games
2026 Sport
157 average · 36 games
2025 House
187 average · 108 games
2025 Sport
162 average · 100 games
2024 House
199 average · 99 games

League averages

2026-2027

Fremont Nikkei · W
Data not found

2025-2026

SummerNisei Invitational · S
181 average · 39 games
Fremont Nikkei · W
174 average · 78 games
PBA Experience · S Sport
157 average · 36 games

2024-2025

SummerNisei Invitational · S
188 average · 30 games
Fremont Nikkei · W
187 average · 78 games
PBA Experience · W Sport
162 average · 83 games
PBA Experience · S Sport
160 average · 17 games

2023-2024

Wednesday Mixed 4's · W
201 average · 63 games
SummerNisei Invitational · S
196 average · 36 games
PBA Experience · W Sport
162 average · 76 games

2022-2023

SummerNisei Invitational · S
198 average · 36 games
Wednesday Mixed 4's · W
197 average · 48 games

2021-2022

Wednesday Mixed 4's · W
183 average · 48 games

2019-2020

B Of A Mixed 4"s · W
188 average · 39 games

2018-2019

B Of A Mixed 5's · W
190 average · 47 games

2017-2018

B Of A Mixed 5's · W
193 average · 45 games

2016-2017

Monday Night Trip · W
191 average · 78 games

2015-2016

2016 Sum Nisei Invitational · S
199 average · 38 games
Monday Night Trip · W
190 average · 83 games

2014-2015

2016 Sum Nisei Invitational · S
182 average · 33 games

2012-2013

Central · W
175 average · 63 games

2011-2012

Central · W
179 average · 90 games

2010-2011

Dusty Rattlers · W
169 average · 84 games

2009-2010

N F L Partytime · W
165 average · 71 games
Partytime · S
156 average · 3 games

2006-2007

Alameda County Med Center · W
185 average · 61 games
Eden Nisei Mixed · W
185 average · 69 games

2005-2006

Alameda County Medical Ctr · W
190 average · 66 games
Eden Nisei Mixed · W
188 average · 69 games

2004-2005

S - Reno Invitational · S
200 average · 42 games
Diablo Invitational Showcase · W
195 average · 87 games
Eden Nisei Mixed · W
193 average · 72 games

2003-2004

Reno Invitational # 2 (Fri) · W
196 average · 81 games
Eden Nisei Mixed · W
190 average · 78 games

2002-2003

S - Reno Invitational · S
Data not found
Eden Nisei Mixed · W
189 average · 60 games
Mystery Doubles · W
179 average · 24 games

2001-2002

Employee & Friends - Thurs · W
186 average · 83 games
OCBC Scratch Classic · W
186 average · 77 games
EBNBA Jr Classic · W
184 average · 75 games

Sport conversions

157→181
160→185
162→187
USBC standing

Memberships

Active membership
Santa Clara County USBC Current
2026-08-01 — 2027-07-31
Alameda County USBC Past
2025-08-01 — 2026-07-31
Santa Clara County USBC Past
2025-08-01 — 2026-07-31
Alameda County USBC Past
2024-08-01 — 2025-07-31
Santa Clara County USBC Past
2024-08-01 — 2025-07-31
Alameda County USBC Past
2023-08-01 — 2024-07-31
Contra Costa County USBC Past
2023-08-01 — 2024-07-31
Alameda County USBC Past
2022-08-01 — 2023-07-31
Contra Costa County USBC Past
2022-08-01 — 2023-07-31
Contra Costa County USBC Past
2021-08-01 — 2022-07-31
Contra Costa County USBC Past
2019-08-01 — 2020-07-31
Contra Costa County USBC Past
2018-08-01 — 2019-07-31
Contra Costa County USBC Past
2017-08-01 — 2018-07-31
Alameda County USBC Past
2016-08-01 — 2017-07-31
Alameda County USBC Past
2015-08-01 — 2016-07-31
Alameda County USBC Past
2014-08-01 — 2015-07-31
Southern Nevada USBC Past
2012-08-01 — 2013-07-31
Southern Nevada USBC Past
2011-08-01 — 2012-07-31
Southern Nevada USBC Past
2010-08-01 — 2011-07-31
Southern Nevada USBC Past
2009-03-15 — 2010-07-31
Alameda County USBC Past
2006-08-01 — 2007-07-31
Alameda Cnty BA Past
2005-08-01 — 2006-07-31
Alameda Cnty BA Past
2004-03-15 — 2005-07-31
Alameda Cnty BA Past
2003-08-01 — 2004-07-31
Alameda Cnty BA Past
2002-08-01 — 2003-07-31
Alameda Cnty BA Past
2001-08-01 — 2002-07-31
Alameda Cnty BA Past
2001-08-01 — 2002-07-31
Contra Costa County BA Past
1999-03-15 — 2000-07-31
Career milestones

Honors

0900 series
0800 series
1300 games
111 in a row

300 games

Perfect game · AMF Pinole Valley Lanes
April 17 1996 · 300-215-215

11 in a row

11 consecutive strikes ·
October 11 2001
Tournament history

Open Championships

Entering average 158 Based on 27 Open Championships games

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