Competitive peak
USBC bowler profile
Matthew L Karbowski
Proven Competitor
5986-21918
Bowling since 2001
180+ peak
180+ career avg
1K games
Lifetime average
180.69
Lifetime games
1035
Highest average
193
Career honors
0
What this profile flair means
Competitive peak aura
The nameplate aura reflects a highest recorded league average of 193.
Proven Competitor
Awarded for at least 1,000 recorded league games.
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.
Historical records
League History
USBC records begin in 2001. Sport and challenge conversions are summarized below.
Recent composite averages
Year2026
Type
House
Average183
Games78
Year2025
Type
House
Average187
Games162
Year2024
Type
House
Average184
Games84
League averages
2025-2026
League
United Mixers
SeasonW
Average183
Games78
2024-2025
League
United Mixers
SeasonW
Average193
Games84
League
Wednesday Fun Timers
SeasonW
Average181
Games78
2023-2024
League
United Mixers
SeasonW
Average184
Games84
Show earlier league averages Hide earlier league averages
2022-2023
League
United Mixers
SeasonW
Average185
Games84
2021-2022
League
United Mixers
SeasonW
Average185
Games90
League
Balls & Bags
SeasonW
Average176
Games48
2020-2021
League
United Mixers
SeasonW
Average191
Games63
2019-2020
League
Monday Nite Football
SeasonW
Average184
Games57
League
Kolping Keglers
SeasonW
Average176
Games68
2010-2011
League
United Mixers
SeasonW
Average181
Games42
2009-2010
League
Good Timers
SeasonW
Average186
Games36
2008-2009
League
United Mixers
SeasonW
Average189
Games90
2001-2002
League
Continental Alley Kats
SeasonW
Average & games
League
Kingswood Sun. Adult/Youth
SeasonW
Average167
Games57
2000-2001
League
Universal Warren Mott HSBC
SeasonW
Average165
Games16
League
Kingswood Sun. Adult/Youth
SeasonW
Average165
Games60
USBC standing
Memberships
AssociationMetro Detroit USBC
StatusMost recent
From2025-08-01
Through2026-07-31
AssociationMetro Detroit USBC
StatusPast
From2024-08-01
Through2025-07-31
AssociationMetro Detroit USBC
StatusPast
From2023-08-01
Through2024-07-31
AssociationMetro Detroit USBC
StatusPast
From2022-08-01
Through2023-07-31
AssociationMetro Detroit USBC
StatusPast
From2021-08-01
Through2022-07-31
Show earlier memberships Hide earlier memberships
AssociationMetro Detroit USBC
StatusPast
From2020-08-01
Through2021-07-31
AssociationMetro Detroit USBC
StatusPast
From2019-08-01
Through2020-07-31
AssociationMetro Detroit USBC
StatusPast
From2010-08-01
Through2011-07-31
AssociationMetro Detroit USBC
StatusPast
From2009-08-01
Through2010-07-31
AssociationMetro Detroit USBC
StatusPast
From2008-08-01
Through2009-07-31
AssociationGr Detroit YABA
StatusPast
From2002-08-01
Through2003-07-31
AssociationGr Detroit YABA
StatusPast
From2001-08-01
Through2002-07-31
AssociationGr Detroit YABA
StatusPast
From2000-08-01
Through2001-07-31
AssociationGr Detroit YABA
StatusPast
From1999-08-01
Through2000-07-31
Career milestones
Honors
0900 series
0800 series
0300 games
011 in a row
Tournament history
Open Championships
Adjusted entering average
167
How it was calculated
The highest sport-adjusted average from the last three bowling seasons is used until 27 Open Championship games are available.
2024/25193 → 167
Your Open Championships average is calculated from your 27 most recent games bowled between 2018 and 2026.
Search historical Open Championships scores.