Competitive peak
USBC bowler profile
Griffin O Roseberry
League Competitor
19-77570
Bowling since 2020
180+ peak
180+ career avg
100 games
Lifetime average
185.67
Lifetime games
101
Highest average
190
Career honors
0
What this profile flair means
Competitive peak aura
The nameplate aura reflects a highest recorded league average of 190.
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 2020. Sport and challenge conversions are summarized below.
Recent composite averages
Year2026
Type
House
Average190
Games54
Year2026
Type
Challenge
Average172
Games41
Year2025
Type
Sport
Average157
Games6
League averages
2026-2027
League
Hotshots
SeasonW
Average & games
League
Scratch Fall 2026
Challenge
SeasonW
Average & games
2025-2026
League
Scratch Spring 26
SeasonS
Average190
Games54
League
Scratch Fall 2025
Challenge
SeasonW
Average172
Games41
2024-2025
League
Phantom 2 Youth Drop In
Sport
SeasonW
Average157
Games6
Show earlier league averages Hide earlier league averages
2019-2020
League
RO002 Double Play 19-20
SeasonW
Average & games
Sport conversions
157→181
Challenge conversions
172→186
USBC standing
Memberships
AssociationGr Flint Area USBC
StatusCurrent
From2026-08-01
Through2027-07-31
AssociationIBC Youth HQ
StatusCurrent
From2026-08-01
Through2027-07-31
AssociationGr Flint Area USBC
StatusPast
From2025-08-01
Through2026-07-31
AssociationIBC Youth HQ
StatusPast
From2025-08-01
Through2026-07-31
AssociationGr Flint Area USBC
StatusPast
From2024-08-01
Through2025-07-31
Show earlier memberships Hide earlier memberships
AssociationGr Flint Area USBC
StatusPast
From2019-08-01
Through2020-07-31
Career milestones
Honors
0900 series
0800 series
0300 games
011 in a row
Tournament history
Open Championships
Adjusted entering average
164
How it was calculated
The highest sport-adjusted average from the last three bowling seasons is used until 27 Open Championship games are available.
2025/26190 → 164
Your Open Championships average is calculated from your 27 most recent games bowled between 2018 and 2026.
Search historical Open Championships scores.