Developing peak
USBC bowler profile
Jillian Rosener
League Competitor
21-83070
Bowling since 2022
140+ peak
100 games
Lifetime average
144.23
Lifetime games
150
Highest average
159
Career honors
0
What this profile flair means
Developing peak aura
The nameplate aura reflects a highest recorded league average of 159.
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 2022. Sport and challenge conversions are summarized below.
Recent composite averages
Year2026
Type
Sport
Average161
Games15
Year2026
Type
Challenge
Average160
Games16
Year2025
Type
Sport
Average167
Games16
League averages
2025-2026
League
Standard Youth Membership
SeasonW
Average & games
League
Indy High School Bowling South
SeasonW
Average & games
League
All Star Youth Athletes - SPORT
Sport
SeasonW
Average161
Games15
League
IHSB/INDY SOUTH
Challenge
SeasonW
Average160
Games16
2024-2025
League
South Conference High School
Sport
SeasonW
Average & games
League
IHSB/INDY SOUTH
Sport
SeasonW
Average167
Games16
League
Ethan Hertler SMYL
SeasonW
Average159
Games31
2023-2024
League
Ethan Hertler SMYL
SeasonW
Average153
Games42
League
IHSB/INDY SOUTH
Sport
SeasonW
Average136
Games14
Show earlier league averages Hide earlier league averages
2022-2023
League
IHSB/INDY SOUTH - JV
SeasonW
Average112
Games3
League
IHSB/INDY SOUTH
SeasonW
Average98
Games5
2021-2022
League
Franklin Middle School
SeasonW
Average71
Games8
Sport conversions
136→152
161→186
167→194
Challenge conversions
160→173
USBC standing
Memberships
AssociationUSBC HQ
StatusCurrent
From2026-08-01
Through2027-07-31
AssociationIBC Youth HQ
StatusPast
From2025-08-01
Through2026-07-31
AssociationIBC Youth HQ
StatusPast
From2025-08-01
Through2026-07-31
AssociationIBC Youth HQ
StatusPast
From2024-08-01
Through2025-07-31
AssociationIndy USBC
StatusPast
From2024-08-01
Through2025-07-31
Show earlier memberships Hide earlier memberships
AssociationIBC Youth HQ
StatusPast
From2023-08-01
Through2024-07-31
AssociationIndy USBC
StatusPast
From2023-08-01
Through2024-07-31
AssociationIndy USBC
StatusPast
From2022-08-01
Through2023-07-31
AssociationFranklin USBC
StatusPast
From2021-08-01
Through2022-07-31
Career milestones
Honors
0900 series
0800 series
0300 games
011 in a row
Tournament history
Open Championships
Adjusted entering average
141
How it was calculated
The highest sport-adjusted average from the last three bowling seasons is used until 27 Open Championship games are available.
2024/25159 → 141
Your Open Championships average is calculated from your 27 most recent games bowled between 2018 and 2026.
Search historical Open Championships scores.