Developing peak
USBC bowler profile
Hannah Y Ko
League Competitor
23-28819
Bowling since 2024
140+ peak
500 games
Lifetime average
136.64
Lifetime games
599
Highest average
153
Career honors
0
What this profile flair means
Developing peak aura
The nameplate aura reflects a highest recorded league average of 153.
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 2024. Sport and challenge conversions are summarized below.
Recent composite averages
Year2026
Type
House
Average150
Games218
Year2025
Type
House
Average136
Games270
Year2024
Type
House
Average126
Games111
League averages
2026-2027
League
Generation Gap W26
SeasonW
Average & games
2025-2026
League
Jr Strikers W25
SeasonW
Average151
Games93
League
Generation Gap S26
SeasonS
Average150
Games32
League
Generation Gap W25
SeasonW
Average148
Games93
2024-2025
League
Junior Strikers S25
SeasonS
Average153
Games33
League
Generation Gap S25
SeasonS
Average143
Games36
League
Jr. Strikers W24
SeasonW
Average135
Games102
League
Generation Gap W24
SeasonW
Average129
Games99
Show earlier league averages Hide earlier league averages
2023-2024
League
Generation Gap S24
SeasonS
Average129
Games36
League
Jr Strikers S24
SeasonS
Average125
Games36
League
Jr Strikers W2023
SeasonW
Average125
Games36
League
Generation Gap W23
SeasonW
Average115
Games3
USBC standing
Memberships
AssociationSanta Clara County USBC
StatusCurrent
From2026-08-01
Through2027-07-31
AssociationAlameda County USBC
StatusPast
From2025-08-01
Through2026-07-31
AssociationAlameda County USBC
StatusPast
From2024-08-01
Through2025-07-31
AssociationAlameda County USBC
StatusPast
From2023-08-01
Through2024-07-31
Career milestones
Honors
0900 series
0800 series
0300 games
011 in a row
Tournament history
Open Championships
Adjusted entering average
137
How it was calculated
The highest sport-adjusted average from the last three bowling seasons is used until 27 Open Championship games are available.
2024/25153 → 137
Your Open Championships average is calculated from your 27 most recent games bowled between 2018 and 2026.
Search historical Open Championships scores.