Competitive peak
USBC bowler profile
Justin L Mannon
League Competitor
8708-9373
Bowling since 2009
180+ peak
180+ career avg
500 games
Lifetime average
189
Lifetime games
514
Highest average
194
Career honors
0
What this profile flair means
Competitive peak aura
The nameplate aura reflects a highest recorded league average of 194.
League Competitor
The starting title for a bowler with recorded league history.
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 2009. Sport and challenge conversions are summarized below.
Recent composite averages
2026
House
2023
House
2017
House
2016
House
2011
House
League averages
2026-2027
Weekenders
· W
2025-2026
Weekenders
· W
2022-2023
Weekenders
· W
2016-2017
Reno Bound
· W
2015-2016
Friday Black Oak
· W
Reno Bound
· W
Friday Mixed Four
· S
2010-2011
Hi-Low Mixers
· W
2009-2010
Hi-Low Mixers
· W
2008-2009
Hi-Low Mixers
· W
USBC standing
Memberships
Modesto USBC
Current
Modesto USBC
Past
Modesto USBC
Past
Modesto USBC
Past
Modesto USBC
Past
Modesto USBC
Past
Modesto USBC
Past
Modesto USBC
Past
Career milestones
Honors
0900 series
0800 series
0300 games
011 in a row
Tournament history
Open Championships
Adjusted entering average
163
How it was calculated
The highest sport-adjusted average from the last three bowling seasons is used until 27 Open Championship games are available.
2025/26189 → 163
The Open Championships average uses the most recent 27 games bowled from 2016 through 2025. Search historical championship scores.