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.

Roster matching

League Finder

Start with one bowling center, then expand across the region. Matches use name, average, gender, game count, and league history when available.

Beta
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Choose a region and bowling center to begin.
Historical records

League History

USBC records begin in 2001. Sport and challenge conversions are summarized below.

Recent composite averages

2026 House
201 average · 84 games
2025 House
199 average · 102 games
2024 House
198 average · 42 games
2023 House
201 average · 45 games
2022 House
199 average · 21 games

League averages

2025-2026

Wild Cards-Summer · S
201 average · 21 games
Sansei League · W
201 average · 63 games

2024-2025

Sansei League · W
203 average · 45 games
Wild Cards-Summer · S
198 average · 33 games
Nikkei Mixed Trios · W
191 average · 24 games

2023-2024

A League · W
207 average · 15 games
Nikkei Mixed Trios · W
193 average · 27 games

2022-2023

Nikkei Mixed Trios · W
205 average · 24 games
A League · W
195 average · 21 games

2021-2022

Nikkei Mixed Trios · W
199 average · 21 games

2019-2020

Nikkei Mixed Trios W19 · W
185 average · 6 games

2017-2018

Ohana S18 · S
201 average · 24 games

2016-2017

Ohana S17 · S
202 average · 36 games

2013-2014

Nikkei Mixed Trios W13-14 · W
201 average · 36 games

2012-2013

Nikkei Mixed Trios · W
200 average · 21 games

2011-2012

Nikkei Mixed Trios · W
211 average · 9 games
Match Point Invitational · W
184 average · 36 games

2009-2010

Nikkei Mixed Trios · W
196 average · 60 games
Match Point Invitational · W
193 average · 30 games

2008-2009

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

2007-2008

Nikkei Mixed Trios · W
Data not found
Tuesday Trios · W
196 average · 72 games

2006-2007

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

2005-2006

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

2004-2005

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

2003-2004

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

2002-2003

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

2001-2002

EBNBA Mystery Trios · W
181 average · 66 games

2000-2001

Albany Scratch Divn "A" · W
177 average · 40 games
USBC standing

Memberships

Not currently active
Santa Clara County USBC Most recent
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
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

11 consecutive strikes · 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

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