Scratch peak
USBC bowler profile
Stephen M Mastay
Perfect Game Bowler
1034-185379
Bowling since 2007
×2
300 games
200+ peak
190+ career avg
1K games
Honor earned
Lifetime average
191.28
Lifetime games
1272
Highest average
203
Career honors
2
What this profile flair means
Scratch peak aura
The nameplate aura reflects a highest recorded league average of 203.
Perfect Game Bowler
Awarded for recording a sanctioned 300 game.
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.
Historical records
League History
USBC records begin in 2007. Sport and challenge conversions are summarized below.
Recent composite averages
Year2026
Type
House
Average192
Games42
Year2024
Type
House
Average203
Games48
Year2023
Type
House
Average193
Games81
League averages
2025-2026
League
Chevy 4:00 P M
SeasonW
Average192
Games42
2024-2025
League
Chevy 4:00 P M
SeasonW
Average & games
2023-2024
League
Chevy 4:00 P M
SeasonW
Average203
Games48
Show earlier league averages Hide earlier league averages
2022-2023
League
Tuesday Jr House
SeasonW
Average193
Games81
2021-2022
League
Tuesday Jr House
SeasonW
Average203
Games72
2019-2020
League
Tuesday Jr House
SeasonW
Average192
Games57
2018-2019
League
Tuesday Jr House
SeasonW
Average191
Games72
2017-2018
League
Tuesday Jr House
SeasonW
Average190
Games81
2016-2017
League
Tuesday Jr House
SeasonW
Average186
Games72
2015-2016
League
Tuesday Jr House
SeasonW
Average189
Games84
2014-2015
League
Tuesday Jr House
SeasonW
Average197
Games72
2013-2014
League
Tuesday Jr House
SeasonW
Average186
Games78
2012-2013
League
Tri County Mens
SeasonW
Average187
Games60
2011-2012
League
Tri County Mens
SeasonW
Average186
Games81
2010-2011
League
Tri County Mens
SeasonW
Average180
Games69
2009-2010
League
GM Wed Mens Lge
SeasonW
Average194
Games87
2008-2009
League
GM Wed Mens Lge
SeasonW
Average184
Games75
2007-2008
League
GM Wed Mens Lge
SeasonW
Average191
Games75
2006-2007
League
GM Wed Mens Lge
SeasonW
Average199
Games66
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
From2019-08-01
Through2020-07-31
AssociationMetro Detroit USBC
StatusPast
From2018-08-01
Through2019-07-31
AssociationMetro Detroit USBC
StatusPast
From2017-08-01
Through2018-07-31
AssociationMetro Detroit USBC
StatusPast
From2016-08-01
Through2017-07-31
AssociationMetro Detroit USBC
StatusPast
From2015-08-01
Through2016-07-31
AssociationMetro Detroit USBC
StatusPast
From2014-08-01
Through2015-07-31
AssociationMetro Detroit USBC
StatusPast
From2013-08-01
Through2014-07-31
AssociationMetro Detroit USBC
StatusPast
From2012-08-01
Through2013-07-31
AssociationMetro Detroit USBC
StatusPast
From2011-08-01
Through2012-07-31
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
AssociationMetro Detroit USBC
StatusPast
From2007-08-01
Through2008-07-31
AssociationMetro Detroit USBC
StatusPast
From2006-08-01
Through2007-07-31
Career milestones
Honors
0900 series
0800 series
2300 games
011 in a row
300 games
Bowling centerTotal Sports Lanes
DateNovember 29 2022
Game scores226300166
Bowling centerSunnybrook Lanes
DateSeptember 28 2011
Game scores163300201
Tournament history
Open Championships
Adjusted entering average
175
How it was calculated
The highest sport-adjusted average from the last three bowling seasons is used until 27 Open Championship games are available.
2023/24203 → 175
Your Open Championships average is calculated from your 27 most recent games bowled between 2018 and 2026.
Search historical Open Championships scores.