Competitive peak
USBC bowler profile
Sean T Williams
Proven Competitor
8959-94207
Bowling since 2008
180+ peak
1K games
Lifetime average
130.32
Lifetime games
1367
Highest average
199
Career honors
0
What this profile flair means
Competitive peak aura
The nameplate aura reflects a highest recorded league average of 199.
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 2008. Sport and challenge conversions are summarized below.
Recent composite averages
Year2026
Type
House
Average199
Games101
Year2025
Type
House
Average197
Games183
Year2018
Type
House
Average145
Games66
League averages
2025-2026
League
Monday Nite Fun
SeasonW
Average199
Games101
2024-2025
League
Monday Nite Fun
SeasonW
Average197
Games96
League
Friday Nite Mixed
SeasonW
Average197
Games87
2017-2018
League
TH-Jr's Allstars
SeasonW
Average145
Games66
Show earlier league averages Hide earlier league averages
2016-2017
League
HS-Hillside Majors
SeasonW
Average175
Games90
2015-2016
League
Hillside Jrs Juniors
SeasonW
Average178
Games90
2014-2015
League
Junior Gold U15/U20
SeasonW
Average & games
League
Hillside Jr's Juniors
SeasonW
Average142
Games87
2013-2014
League
Hillside Jrs Juniors
SeasonW
Average147
Games84
2012-2013
League
Hillside Jr's Juniors
SeasonW
Average124
Games78
2011-2012
League
Hillside Youth Prep
SeasonW
Average123
Games84
2010-2011
League
Hillside Youth/Prep
SeasonW
Average119
Games90
2009-2010
League
Hillside/Bantams
SeasonW
Average95
Games84
2008-2009
League
Bantams
SeasonW
Average71
Games86
League
Bantams
SeasonW
Average71
Games86
2007-2008
League
Bantams
SeasonW
Average51
Games79
League
Bantams
SeasonW
Average51
Games79
USBC standing
Memberships
AssociationChicagoland USBC
StatusMost recent
From2025-08-01
Through2026-07-31
AssociationChicagoland USBC
StatusPast
From2024-08-01
Through2025-07-31
AssociationChicagoland USBC
StatusPast
From2017-08-01
Through2018-07-31
AssociationChicagoland USBC
StatusPast
From2016-08-01
Through2017-07-31
AssociationChicagoland USBC
StatusPast
From2015-08-01
Through2016-07-31
Show earlier memberships Hide earlier memberships
AssociationChicagoland USBC
StatusPast
From2014-08-01
Through2015-07-31
AssociationIBC Youth HQ
StatusPast
From2014-08-01
Through2015-07-31
AssociationChicagoland USBC
StatusPast
From2013-08-01
Through2014-07-31
AssociationChicagoland USBC
StatusPast
From2012-08-01
Through2013-07-31
AssociationIllinois BPA USBC Youth
StatusPast
From2011-10-31
Through2012-07-31
AssociationIllinois BPA USBC Youth
StatusPast
From2010-11-10
Through2011-07-31
AssociationIllinois BPA USBC Youth
StatusPast
From2009-11-10
Through2010-07-31
AssociationChicagoland USBC
StatusPast
From2008-08-01
Through2009-07-31
AssociationIllinois BPA USBC Youth
StatusPast
From2008-08-01
Through2009-07-31
AssociationChicagoland USBC
StatusPast
From2007-08-01
Through2008-07-31
AssociationIllinois BPA USBC Youth
StatusPast
From2007-08-01
Through2008-07-31
Career milestones
Honors
0900 series
0800 series
0300 games
011 in a row
Tournament history
Open Championships
Adjusted entering average
172
How it was calculated
The highest sport-adjusted average from the last three bowling seasons is used until 27 Open Championship games are available.
2025/26199 → 172
Your Open Championships average is calculated from your 27 most recent games bowled between 2018 and 2026.
Search historical Open Championships scores.