Ranking
Premier peak
USBC bowler profile

William J Mateffy

Honors Legend
11-624955 Bowling since 2013
×11 800 series ×17 300 games
230+ peak 200+ career avg 1K games 10+ honors
Lifetime average 222.41 Across all recorded seasons
Lifetime games 2209 USBC-recorded games
Highest average 244 63 games
Career honors 28 Recognized achievements
What this profile flair means
Premier peak aura

The nameplate aura reflects a highest recorded league average of 244.

Honors Legend

Awarded for reaching at least 10 recognized career honors.

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

Choose a region and bowling center to look for similar names in its active League Secretary rosters.

Beta
A name match does not prove identity. This first version keeps the search narrow and lets you decide whether a result looks correct.
Choose a region and bowling center to begin.
Historical records

League History

USBC records begin in 2013. Sport and challenge conversions are summarized below.

Recent composite averages

2026 House
229 average · 69 games
2025 House
222 average · 72 games
2024 House
234 average · 66 games
2023 House
233 average · 102 games
2023 Challenge
214 average · 66 games

League averages

2025-2026

Dick Pietsch Trio · W
260 average · 3 games
Apple Open · W
227 average · 66 games

2024-2025

Apple Open · W
225 average · 57 games
Dick Pietsch Trio · W
211 average · 15 games

2023-2024

Apple Open · W
235 average · 60 games
Dick Pietsch Trio · W
220 average · 6 games

2022-2023

Apple Open · W
235 average · 66 games
Average Joes · W
232 average · 15 games
Fri Morn Eye Openers · W
229 average · 21 games
St Paul Retail · W Challenge
214 average · 66 games

2021-2022

Thursday Nite Thunder · W
247 average · 3 games
Fri Morn Eye Openers · W
244 average · 63 games
Twin City Masters · W
232 average · 112 games
St Paul Retail · W Challenge
222 average · 96 games
Scratch Trios · S
220 average · 69 games

2020-2021

Monday Night Chiefs · W
270 average · 3 games
Playboy · W
235 average · 24 games
Thursday Nite Thunder · W
230 average · 39 games
Twin City Masters · W
228 average · 100 games
Storm Wednesday Have A Ball · S
228 average · 12 games
Scratch Trios · S
224 average · 60 games
Howie Havlish Classic · W
216 average · 15 games
St Paul Retail · W Challenge
214 average · 81 games
Untouchables · W
210 average · 3 games

2019-2020

Thursday Nite Thunder · W
Data not found
Thursday Have A Ball · S
254 average · 3 games
St Paul Retail · W Challenge
242 average · 6 games
Scratch Trios · S
236 average · 42 games
Twin City Masters · W
232 average · 100 games
Thursday Nite Special · W
231 average · 3 games
Country Club Open · W
227 average · 75 games
PC Presented By Columbia 300 · W
221 average · 12 games

2018-2019

Thursday Nite Special · W
231 average · 15 games
Country Club Open · W
227 average · 99 games
PC Presented By Columbia 300 · W
223 average · 39 games
Twin Cities Sport League · W Sport
209 average · 128 games
PBA Experience · S Challenge
189 average · 20 games

2017-2018

Country Club Open · W
245 average · 6 games
Thursday Nite Special · W
237 average · 3 games
Big Boy · W
219 average · 84 games
PC Presented By Columbia 300 · W
218 average · 6 games
CC Weds Match Play · S Challenge
209 average · 20 games
Twin Cities Sport League · W Challenge
204 average · 8 games
On Track Challenge · S Sport
200 average · 40 games

2016-2017

PC Presented By Columbia 300 · W
Data not found
Big Boy · W
220 average · 33 games
Country Club Open · W
218 average · 15 games
Wednesday Night Classic · W
217 average · 3 games
Thursday Nite Special · W
205 average · 11 games
CC Weds Match Play · S Challenge
190 average · 44 games

2015-2016

Country Club Open · W
215 average · 84 games
Thursday Nite Special · W
207 average · 3 games
PC Presented By Columbia 300 · W
205 average · 27 games
Twin Cities Sport League · W Sport
197 average · 24 games
CC Weds Match Play · S
184 average · 24 games

2014-2015

CC Weds Match Play · S
Data not found
PC Presented By Columbia 300 · W
207 average · 6 games
Thursday Nite Special · W
204 average · 6 games
Twin Cities Sport League · W Sport
203 average · 20 games

2013-2014

CC Jrs-Winter · W
196 average · 56 games
Country Club Strikers · W
192 average · 21 games
CC Weds Match Play · S
179 average · 28 games
CC Weds Match Play · S
179 average · 28 games

2012-2013

Country Club Strikers · W
167 average · 12 games

Sport conversions

197226
200228
203231
209236

Challenge conversions

189204
190205
204218
209223
214227
222235
242253
USBC standing

Memberships

Not currently active
Twin Cities USBC Most recent
2025-08-01 — 2026-07-31
Twin Cities USBC Past
2024-08-01 — 2025-07-31
Twin Cities USBC Past
2023-08-01 — 2024-07-31
Twin Cities USBC Past
2022-08-01 — 2023-07-31
Twin Cities USBC Past
2021-08-01 — 2022-07-31
Twin Cities USBC Past
2020-08-01 — 2021-07-31
Minneapolis USBC Past
2019-08-01 — 2020-07-31
St Paul USBC Past
2019-08-01 — 2020-07-31
Minneapolis USBC Past
2018-08-01 — 2019-07-31
Mankato Area USBC Past
2017-08-01 — 2018-07-31
Minneapolis USBC Past
2017-08-01 — 2018-07-31
St Paul USBC Past
2017-08-01 — 2018-07-31
USBC HQ Past
2017-08-01 — 2018-07-31
Mankato Area USBC Past
2016-08-01 — 2017-07-31
Minneapolis USBC Past
2016-08-01 — 2017-07-31
USBC HQ Past
2016-08-01 — 2017-07-31
Minneapolis USBC Past
2015-08-01 — 2016-07-31
Minneapolis USBC Past
2014-08-01 — 2015-07-31
Minneapolis USBC Past
2014-08-01 — 2015-07-31
USBC HQ Past
2014-08-01 — 2015-07-31
Minneapolis USBC Past
2013-08-01 — 2014-07-31
Minneapolis USBC Past
2012-08-01 — 2013-07-31
Career milestones

Honors

0900 series
11800 series
17300 games
011 in a row

800 series

846 series · Texa-Tonka Lanes
February 21 2022 · 300-258-288
813 series · Sun Ray Lanes
February 11 2022 · 289-279-245
801 series · Concord Lanes
January 18 2022 · 256-277-268
807 series · Texa-Tonka Lanes
January 3 2022 · 299-276-232
848 series · Sun Ray Lanes
November 12 2021 · 279-279-290
814 series · Flaherty's Bowl
May 6 2021 · 279-256-279
810 series · Sun Ray Lanes
February 15 2021 · 257-253-300
800 series · Texa-Tonka Lanes
August 31 2020 · 236-299-265
803 series · Texa-Tonka Lanes
March 9 2020 · 270-275-258
817 series · Country Club Lanes
October 23 2019 · 269-279-269
814 series · Country Club Lanes
April 17 2019 · 300-215-299

300 games

Perfect game · National Bowling Stadium
May 2 2026 · 220-157-300
Perfect game · National Bowling Stadium
May 1 2026 · 173-300-212
Perfect game · Bogart's Entertainment
September 23 2024 · 233-300-247
Perfect game · Bogart's Entertainment
October 17 2023 · 180-253-300
Perfect game · Texa-Tonka Lanes
February 28 2022 · 300-225-227
Perfect game · Texa-Tonka Lanes
February 21 2022 · 300-258-288
Perfect game · Texa-Tonka Lanes
December 13 2021 · 256-300-237
Perfect game · Flaherty's Bowl
July 1 2021 · 300-192-187
Perfect game · Concord Lanes
May 11 2021 · 300-268-191
Perfect game · Sun Ray Lanes
February 15 2021 · 257-253-300
Perfect game · Texa-Tonka Lanes
October 5 2020 · 300-215-195
Perfect game · Country Club Lanes
February 19 2020 · 232-211-300
Perfect game · Texa-Tonka Lanes
June 15 2019 · 300-0-0
Perfect game · Country Club Lanes
April 17 2019 · 300-215-299
Perfect game · Bowlero Lakeville
October 14 2018 · 300-0-0
Perfect game · Country Club Lanes
June 27 2018 · 217-300-222
Perfect game · Victory Bowl
November 21 2017 · 0-300-0
Tournament history

Open Championships

Entering average 193 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.