Developing peak
USBC bowler profile
Isabelle C Magnuson
League Competitor
9187-4142
Bowling since 2023
140+ peak
100 games
Lifetime average
149.75
Lifetime games
162
Highest average
154
Career honors
0
What this profile flair means
Developing peak aura
The nameplate aura reflects a highest recorded league average of 154.
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 2023. Sport and challenge conversions are summarized below.
Recent composite averages
Year2025
Type
House
Average170
Games3
Year2024
Type
House
Average154
Games75
Year2023
Type
House
Average133
Games84
League averages
2024-2025
League
Tuesday Night Women's
SeasonW
Average & games
League
Monday Night Ladies
SeasonW
Average170
Games3
2023-2024
League
Tuesday Night Women's
SeasonW
Average154
Games75
2022-2023
League
Monday Night Ladies
SeasonW
Average145
Games15
League
Tuesday Night Women's
SeasonW
Average130
Games69
USBC standing
Memberships
AssociationPolk County USBC
StatusMost recent
From2024-08-01
Through2025-07-31
AssociationPolk County USBC
StatusPast
From2023-08-01
Through2024-07-31
AssociationPolk County USBC
StatusPast
From2022-08-01
Through2023-07-31
Career milestones
Honors
0900 series
0800 series
0300 games
011 in a row
Tournament history
Open Championships
Adjusted entering average
138
How it was calculated
The highest sport-adjusted average from the last three bowling seasons is used until 27 Open Championship games are available.
2023/24154 → 138
Your Open Championships average is calculated from your 27 most recent games bowled between 2018 and 2026.
Search historical Open Championships scores.