Rising peak
USBC bowler profile
Walter C Sinn
League Competitor
23-4445
Bowling since 2024
160+ peak
100 games
Lifetime average
128.67
Lifetime games
243
Highest average
160
Career honors
0
What this profile flair means
Rising peak aura
The nameplate aura reflects a highest recorded league average of 160.
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
Average160
Games81
Year2025
Type
House
Average123
Games81
Year2024
Type
House
Average103
Games81
League averages
2026-2027
League
Strikers
SeasonW
Average & games
2025-2026
League
Strikers
SeasonW
Average160
Games81
2024-2025
League
Spares
SeasonW
Average123
Games81
Show earlier league averages Hide earlier league averages
2023-2024
League
Spares
SeasonW
Average103
Games81
USBC standing
Memberships
AssociationMankato Area USBC
StatusCurrent
From2026-08-01
Through2027-07-31
AssociationIBC Youth HQ
StatusPast
From2025-08-01
Through2026-07-31
AssociationMankato Area USBC
StatusPast
From2025-08-01
Through2026-07-31
AssociationMankato Area USBC
StatusPast
From2024-08-01
Through2025-07-31
AssociationMankato Area 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
142
How it was calculated
The highest sport-adjusted average from the last three bowling seasons is used until 27 Open Championship games are available.
2025/26160 → 142
Your Open Championships average is calculated from your 27 most recent games bowled between 2018 and 2026.
Search historical Open Championships scores.