Scratch peak
USBC bowler profile
Don P Blotzer
Perfect Game Bowler
226-6804
Bowling since 2000
×1
300 games
×2
11 in a row
200+ peak
200+ career avg
2.5K games
Honor earned
Lifetime average
200.63
Lifetime games
2792
Highest average
213
Career honors
3
What this profile flair means
Scratch peak aura
The nameplate aura reflects a highest recorded league average of 213.
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.
Roster matching
League Finder
Start with one bowling center, then expand across the region. Matches use name, average, gender, game count, and league history when available.
These are evidence-based suggestions, not confirmed identities. Your “likely” or “unlikely” choices last only for this browser tab and are never attached to the profile.
Choose a region and bowling center to begin.
Historical records
League History
USBC records begin in 2000. Sport and challenge conversions are summarized below.
Recent composite averages
2026
House
2025
House
2024
House
2020
House
2019
House
League averages
2025-2026
Summerset Seniors
· S
Sirs & Friends
· S
Summerset Seniors
· W
Monday SIR and Guests
· W
2024-2025
Summerset Seniors
· W
Monday SIR and Guests
· W
Sirs & Friends
· S
Summerset Seniors
· S
2023-2024
Summerset Seniors
· W
2019-2020
Party Animals
· W
2018-2019
Party Animals
· W
2017-2018
Just For Fun
· W
2016-2017
Just For Fun
· W
2015-2016
Just For Fun Winter
· W
2014-2015
Just For Fun Winter
· W
2013-2014
Just For Fun Winter
· W
Delta Business Buddies
· W
2012-2013
Delta Business Buddies
· W
Grazies Bar & GrillJust For Fun Winter
· W
2011-2012
Just For Fun Winter
· W
Delta Business Buddies
· W
2010-2011
Just For Fun Winter
· W
Delta Business Buddies
· W
2009-2010
Summer Party Animals
· S
PBA Experience League
· S
Delta Business Buddies
· W
Just For Fun Winter
· W
2008-2009
Delta Business Buddies
· W
Summer Delta Business Buddies
· S
Just For Fun Winter
· W
2007-2008
Summer Delta Business Buddies
· S
Just For Fun Winter
· W
2006-2007
Chevron USA Mixed HDCP
· W
P.V. 800 Scratch Classic
· W
2005-2006
Summer Dameral 400 Scr.Dbls
· S
Chevron Usa Mixed Hdcp
· W
2004-2005
Summer Dameral 400 Scr.Dbls
· S
Chevron USA Mixed HDCP
· W
2003-2004
Dameral 400 Scratch Doubles
· S
Chevron Usa Mixed Hdcp
· W
2002-2003
Chevron Usa Mixed Hdcp
· W
2001-2002
Chevron Usa Mixed Hdcp
· W
2000-2001
Diable Invitational Showcase
· W
Dameral 400 Scratch Doubles
· S
1999-2000
Diable Invitational Showcase
· W
Chevron Mixed Handicap
· W
USBC standing
Memberships
Contra Costa County USBC
Most recent
Contra Costa County USBC
Past
Contra Costa County USBC
Past
Contra Costa County USBC
Past
Contra Costa County USBC
Past
Contra Costa County USBC
Past
Contra Costa County USBC
Past
Contra Costa County USBC
Past
Contra Costa County USBC
Past
Contra Costa County USBC
Past
Contra Costa County USBC
Past
Contra Costa County USBC
Past
Contra Costa County USBC
Past
Contra Costa County USBC
Past
Contra Costa County USBC
Past
Contra Costa County USBC
Past
Contra Costa County USBC
Past
Contra Costa County USBC
Past
Contra Costa County BA
Past
Contra Costa County BA
Past
Contra Costa County BA
Past
Contra Costa County BA
Past
Contra Costa County BA
Past
Contra Costa County BA
Past
Contra Costa County BA
Past
Career milestones
Honors
0900 series
0800 series
1300 games
211 in a row
300 games
Perfect game · Bowlero Brentwood
11 in a row
11 consecutive strikes · Bowlero Brentwood
11 consecutive strikes · Bowlero Brentwood
Tournament history
Open Championships
Adjusted entering average
174
How it was calculated
The highest sport-adjusted average from the last three bowling seasons is used until 27 Open Championship games are available.
2023/24202 → 174
The Open Championships average uses the most recent 27 games bowled from 2016 through 2025. Search historical championship scores.