Foundation peak
USBC bowler profile
Karen A Rock
Proven Competitor
3728-7678
Bowling since 2001
Building a peak
1K games
Lifetime average
121.64
Lifetime games
1909
Highest average
135
Career honors
0
What this profile flair means
Foundation peak aura
The nameplate aura reflects a highest recorded league average of 135.
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
Average135
Games84
Year2025
Type
House
Average113
Games117
Year2024
Type
House
Average113
Games95
League averages
2025-2026
League
Saturday Nite Live
SeasonW
Average & games
League
Zebraettes
SeasonW
Average135
Games84
2024-2025
League
Zebraettes
SeasonW
Average113
Games81
League
Saturday Nite Live
SeasonW
Average112
Games36
2023-2024
League
Zebraettes
SeasonW
Average116
Games65
League
Saturday Nite Live
SeasonW
Average106
Games30
Show earlier league averages Hide earlier league averages
2022-2023
League
Saturday Nite Live
SeasonW
Average114
Games33
League
Zebraettes
SeasonW
Average111
Games72
2021-2022
League
Zebraettes
SeasonW
Average113
Games78
League
Saturday Nite Live
SeasonW
Average111
Games30
2020-2021
League
Saturday Nite Live
SeasonW
Average115
Games27
League
Zebraettes
SeasonW
Average112
Games43
2019-2020
League
Saturday Night Live
SeasonW
Average123
Games39
League
Zebraettes
SeasonW
Average114
Games60
2018-2019
League
Zebraettes
SeasonW
Average116
Games75
2017-2018
League
Zebraettes
SeasonW
Average117
Games72
2016-2017
League
Zebraettes
SeasonW
Average119
Games75
2015-2016
League
Zebraettes
SeasonW
Average118
Games69
2014-2015
League
Zebraettes
SeasonW
Average124
Games60
2013-2014
League
Zebraettes
SeasonW
Average130
Games42
2012-2013
League
Zebraettes
SeasonW
Average134
Games78
2011-2012
League
Zebraettes
SeasonW
Average131
Games78
2010-2011
League
Zebraettes
SeasonW
Average132
Games75
2009-2010
League
Zebraettes
SeasonW
Average133
Games87
2008-2009
League
Zebraettes
SeasonW
Average129
Games87
2007-2008
League
Zebraettes
SeasonW
Average126
Games86
2006-2007
League
Zebraettes
SeasonW
Average134
Games26
2005-2006
League
Ladies Store League
SeasonW
Average130
Games84
2004-2005
League
Bowling Belles
SeasonW
Average & games
2003-2004
League
Bowling Belles
SeasonW
Average126
Games84
2002-2003
League
Bowling Belles
SeasonW
Average129
Games78
2001-2002
League
Bowling Belles
SeasonW
Average126
Games75
2000-2001
League
Bowling Belles
SeasonW
Average & games
USBC standing
Memberships
AssociationPort Huron USBC
StatusMost recent
From2025-08-01
Through2026-07-31
AssociationPort Huron USBC
StatusPast
From2024-08-01
Through2025-07-31
AssociationPort Huron USBC
StatusPast
From2023-08-01
Through2024-07-31
AssociationPort Huron USBC
StatusPast
From2022-08-01
Through2023-07-31
AssociationPort Huron USBC
StatusPast
From2021-08-01
Through2022-07-31
Show earlier memberships Hide earlier memberships
AssociationPort Huron USBC
StatusPast
From2020-08-01
Through2021-07-31
AssociationPort Huron USBC
StatusPast
From2019-08-01
Through2020-07-31
AssociationPort Huron USBC
StatusPast
From2018-08-01
Through2019-07-31
AssociationPort Huron USBC WBA
StatusPast
From2017-08-01
Through2018-07-31
AssociationPort Huron USBC WBA
StatusPast
From2016-08-01
Through2017-07-31
AssociationPort Huron USBC WBA
StatusPast
From2015-08-01
Through2016-07-31
AssociationPort Huron USBC WBA
StatusPast
From2014-08-01
Through2015-07-31
AssociationPort Huron USBC WBA
StatusPast
From2013-08-01
Through2014-07-31
AssociationPort Huron USBC WBA
StatusPast
From2012-08-01
Through2013-07-31
AssociationPort Huron USBC WBA
StatusPast
From2011-08-01
Through2012-07-31
AssociationPort Huron USBC WBA
StatusPast
From2010-08-01
Through2011-07-31
AssociationPort Huron USBC WBA
StatusPast
From2009-08-01
Through2010-07-31
AssociationPort Huron USBC WBA
StatusPast
From2008-08-01
Through2009-07-31
AssociationPort Huron USBC WBA
StatusPast
From2007-08-01
Through2008-07-31
AssociationPort Huron USBC WBA
StatusPast
From2006-08-01
Through2007-07-31
AssociationPort Huron USBC WBA
StatusPast
From2005-08-01
Through2006-07-31
AssociationPort Huron USBC WBA
StatusPast
From2004-03-15
Through2005-07-31
AssociationPort Huron USBC WBA
StatusPast
From2003-08-01
Through2004-07-31
AssociationPort Huron USBC WBA
StatusPast
From2002-08-01
Through2003-07-31
AssociationPort Huron USBC WBA
StatusPast
From2001-08-01
Through2002-07-31
AssociationPort Huron USBC WBA
StatusPast
From2000-08-01
Through2001-07-31
Career milestones
Honors
0900 series
0800 series
0300 games
011 in a row
Tournament history
Open Championships
Adjusted entering average
125
How it was calculated
The highest sport-adjusted average from the last three bowling seasons is used until 27 Open Championship games are available.
2025/26135 → 125
Your Open Championships average is calculated from your 27 most recent games bowled between 2018 and 2026.
Search historical Open Championships scores.