Ranking
Scratch peak
USBC bowler profile

Stefanie M Hirata

Proven Competitor
10-1292971 Bowling since 2001
×1 11 in a row
200+ peak 190+ career avg 1K games Honor earned
Lifetime average 194.12 Across all recorded seasons
Lifetime games 1258 USBC-recorded games
Highest average 205 24 games
Career honors 1 Recognized achievements
What this profile flair means
Scratch peak aura

The nameplate aura reflects a highest recorded league average of 205.

Proven Competitor

Awarded for at least 1,000 recorded league games.

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 2001. Sport and challenge conversions are summarized below.

Recent composite averages

2026
House
201
84
2025
House
199
102
2024
House
198
42

League averages

2026-2027

A League of Our Own
W
Not available in this record
Sansei League
W
Not available in this record
Match Point Scratch Classic
W
Not available in this record

2025-2026

Wild Cards-Summer
S
201
21
Sansei League
W
201
63

2024-2025

Sansei League
W
203
45
Wild Cards-Summer
S
198
33
Nikkei Mixed Trios
W
191
24
Show earlier league averages Hide earlier league averages

2023-2024

A League
W
207
15
Nikkei Mixed Trios
W
193
27

2022-2023

Nikkei Mixed Trios
W
205
24
A League
W
195
21

2021-2022

Nikkei Mixed Trios
W
199
21

2019-2020

Nikkei Mixed Trios W19
W
185
6

2017-2018

Ohana S18
S
201
24

2016-2017

Ohana S17
S
202
36

2013-2014

Nikkei Mixed Trios W13-14
W
201
36

2012-2013

Nikkei Mixed Trios
W
200
21

2011-2012

Nikkei Mixed Trios
W
211
9
Match Point Invitational
W
184
36

2009-2010

Nikkei Mixed Trios
W
196
60
Match Point Invitational
W
193
30

2008-2009

Nikkei Mixed Trios
W
201
54
825 Scratch (Summer)
S
200
39
SJSU Team Booster League
W
191
45

2007-2008

Nikkei Mixed Trios
W
Not available in this record
Tuesday Trios
W
196
72

2006-2007

825 Summer Scratch
S
203
33
Sansei Mixed League
W
190
30

2005-2006

S J Nisei Mixed 4's Summer
S
197
30
4th St Nikkei Mixed Trios
W
190
69

2004-2005

800 Scratch
S
196
33
4th St Nikkei Mixed Trios
W
185
45
EBNBA Mystery Trios
W
169
3

2003-2004

4th St Nikkei Mixed 3's
W
216
3
EBNBA Mystery Trios
W
177
57

2002-2003

Summer Nisei Handicap
S
178
39
EBNBA Mystery Trios
W
175
48

2001-2002

EBNBA Mystery Trios
W
181
66

2000-2001

Albany Scratch Divn "A"
W
177
40
USBC standing

Memberships

Active membership
Santa Clara County USBC
Current
2026-08-01
2027-07-31
Santa Clara County USBC
Past
2025-08-01
2026-07-31
Santa Clara County USBC
Past
2024-08-01
2025-07-31
Santa Clara County USBC
Past
2023-08-01
2024-07-31
Santa Clara County USBC
Past
2022-08-01
2023-07-31
Show earlier memberships Hide earlier memberships
Santa Clara County USBC
Past
2021-08-01
2022-07-31
Santa Clara County USBC
Past
2019-08-01
2020-07-31
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
2013-08-01
2014-07-31
Santa Clara County USBC
Past
2012-08-01
2013-07-31
Santa Clara County USBC
Past
2011-08-01
2012-07-31
Santa Clara County USBC
Past
2009-08-01
2010-07-31
Santa Clara County USBC
Past
2008-08-01
2009-07-31
USBC HQ
Past
2008-08-01
2009-07-31
Santa Clara County USBC
Past
2007-08-01
2008-07-31
San Jose USBC WBA
Past
2006-08-01
2007-07-31
San Jose USBC WBA
Past
2005-08-01
2006-07-31
Alameda County WBA
Past
2004-03-15
2005-07-31
San Jose USBC WBA
Past
2004-08-01
2005-07-31
Alameda County WBA
Past
2003-08-01
2004-07-31
San Jose USBC WBA
Past
2003-08-01
2004-07-31
Alameda County WBA
Past
2002-08-01
2003-07-31
San Jose USBC WBA
Past
2002-08-01
2003-07-31
Alameda County WBA
Past
2001-08-01
2002-07-31
Nor-Cal USBC Youth
Past
2000-08-01
2001-07-31
Career milestones

Honors

0900 series
0800 series
0300 games
111 in a row

11 in a row

AMF Gastonia
April 6 2013
Tournament history

Open Championships

Adjusted entering average 175 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.

2024/25203 → 175

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