Scratch peak
USBC bowler profile
Ross MacGregor
Scratch Mainstay
11-54543
Bowling since 2010
200+ peak
200+ career avg
Lifetime average
208
Lifetime games
81
Highest average
211
Career honors
0
What this profile flair means
Scratch peak aura
The nameplate aura reflects a highest recorded league average of 211.
Scratch Mainstay
Awarded for maintaining a career average of at least 200.
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 2010. Sport and challenge conversions are summarized below.
Recent composite averages
Year2012
Type
House
Average211
Games51
Year2010
Type
Sport
Average205
Games30
League averages
2011-2012
League
M & S Vending Trio Scratch
SeasonW
Average211
Games51
2009-2010
League
Monday PBA Scholarship
SeasonW
Average205
Games30
USBC standing
Memberships
AssociationSt Charles County USBC
StatusMost recent
From2011-08-01
Through2012-07-31
AssociationUSBC HQ
StatusPast
From2011-08-01
Through2012-07-31
AssociationUSBC HQ
StatusPast
From2010-08-01
Through2011-07-31
AssociationSt Charles County USBC
StatusPast
From2009-08-01
Through2010-07-31
AssociationUSBC HQ
StatusPast
From2009-08-01
Through2010-07-31
Career milestones
Honors
0900 series
0800 series
0300 games
011 in a row
Tournament history
Open Championships
Adjusted entering average
220
How it was calculated
The highest sport-adjusted average from the last three bowling seasons is used until 27 Open Championship games are available.
245 → 220
Your Open Championships average is calculated from your 27 most recent games bowled between 2018 and 2026.
Search historical Open Championships scores.