Developing peak
USBC bowler profile
Brittany M Karbowski
League Competitor
8568-452937
Bowling since 2020
140+ peak
500 games
Lifetime average
128.39
Lifetime games
899
Highest average
141
Career honors
0
What this profile flair means
Developing peak aura
The nameplate aura reflects a highest recorded league average of 141.
League Competitor
The starting title for a bowler with recorded league history.
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 2020. Sport and challenge conversions are summarized below.
Recent composite averages
Year2026
Type
House
Average135
Games129
Year2025
Type
House
Average136
Games219
Year2024
Type
House
Average134
Games138
League averages
2025-2026
League
Balls & Bags
SeasonW
Average138
Games48
League
United Mixers
SeasonW
Average134
Games81
2024-2025
League
Balls & Bags
SeasonW
Average141
Games51
League
Wednesday Fun Timers
SeasonW
Average135
Games84
League
United Mixers
SeasonW
Average133
Games84
2023-2024
League
Balls & Bags
SeasonW
Average138
Games51
League
United Mixers
SeasonW
Average132
Games87
Show earlier league averages Hide earlier league averages
2022-2023
League
Balls & Bags
SeasonW
Average129
Games51
League
United Mixers
SeasonW
Average124
Games84
2021-2022
League
Balls & Bags
SeasonW
Average124
Games51
League
United Mixers
SeasonW
Average119
Games90
2020-2021
League
Balls & Bags
SeasonW
Average & games
League
United Mixers
SeasonW
Average118
Games63
2019-2020
League
Kolping Keglers
SeasonW
Average104
Games74
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
Career milestones
Honors
0900 series
0800 series
0300 games
011 in a row
Tournament history
Open Championships
Adjusted entering average
129
How it was calculated
The highest sport-adjusted average from the last three bowling seasons is used until 27 Open Championship games are available.
2024/25141 → 129
Your Open Championships average is calculated from your 27 most recent games bowled between 2018 and 2026.
Search historical Open Championships scores.