Foundation peak
USBC bowler profile
Isaiah Siemon
League Competitor
21-74393
Bowling since 2022
Building a peak
100 games
Lifetime average
96.34
Lifetime games
138
Highest average
110
Career honors
0
What this profile flair means
Foundation peak aura
The nameplate aura reflects a highest recorded league average of 110.
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
Year2024
Type
House
Average110
Games60
Year2023
Type
House
Average108
Games54
Year2022
Type
House
Average71
Games24
League averages
2025-2026
League
2026
SeasonW
Average & games
2023-2024
League
Rainbow Youth
SeasonW
Average110
Games60
2022-2023
League
Youth League
SeasonW
Average108
Games54
Show earlier league averages Hide earlier league averages
2021-2022
League
Four Seasons Youth
SeasonW
Average71
Games24
USBC standing
Memberships
AssociationGr Portland USBC
StatusMost recent
From2025-08-01
Through2026-07-31
AssociationIBC Youth HQ
StatusPast
From2025-08-01
Through2026-07-31
AssociationGr Portland USBC
StatusPast
From2023-08-01
Through2024-07-31
AssociationGr Portland USBC
StatusPast
From2022-08-01
Through2023-07-31
AssociationGr Portland 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
110
How it was calculated
The highest sport-adjusted average from the last three bowling seasons is used until 27 Open Championship games are available.
2023/24110 → 110
Your Open Championships average is calculated from your 27 most recent games bowled between 2018 and 2026.
Search historical Open Championships scores.