Developing peak
USBC bowler profile
Charles Trevethan
League Competitor
17-27635
Bowling since 2018
140+ peak
250 games
Lifetime average
120.92
Lifetime games
417
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 2018. Sport and challenge conversions are summarized below.
Recent composite averages
Year2026
Type
House
Average158
Games74
Year2025
Type
House
Average154
Games67
Year2024
Type
House
Average144
Games72
League averages
2026-2027
League
Standard Youth Membership
SeasonW
Average & games
League
WSB Saturday Juniors
SeasonW
Average & games
2025-2026
League
WSB Spring Juniors 2026
SeasonS
Average174
Games14
League
WSB Saturday Juniors 25-26
SeasonW
Average154
Games60
2024-2025
League
WSB Spring Juniors 2025
SeasonS
Average168
Games10
League
WSB Saturday Juniors 24-25
SeasonW
Average152
Games57
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2023-2024
League
Spring Juniors 2024
SeasonS
Average173
Games12
League
WSB Sat Juniors 23-24
SeasonW
Average138
Games60
2022-2023
League
Kenmore Saturday Juniors
SeasonW
Average & games
League
WSB Spring Juniors 2023
SeasonS
Average146
Games27
League
West Seattle Saturday Juniors
SeasonW
Average130
Games33
2021-2022
League
Standard Membership
SeasonW
Average & games
2019-2020
League
Junior Gold - U12
SeasonW
Average & games
League
Sat Jr Cubs
SeasonW
Average76
Games40
2018-2019
League
Sat Morning Jr's Cubs
SeasonS
Average63
Games16
League
Saturday Jr Club
SeasonW
Average46
Games36
2017-2018
League
Saturday Morning Jrs Cubs
SeasonS
Average & games
League
Saturday Morning Jr's C
SeasonW
Average31
Games52
USBC standing
Memberships
AssociationIBC Youth HQ
StatusCurrent
From2026-08-01
Through2027-07-31
AssociationIBC Youth HQ
StatusCurrent
From2026-08-01
Through2027-07-31
AssociationIBC Youth HQ
StatusPast
From2025-08-01
Through2026-07-31
AssociationSouth Sound USBC
StatusPast
From2025-08-01
Through2026-07-31
AssociationIBC Youth HQ
StatusPast
From2024-08-01
Through2025-07-31
Show earlier memberships Hide earlier memberships
AssociationSouth Sound USBC
StatusPast
From2024-08-01
Through2025-07-31
AssociationIBC Youth HQ
StatusPast
From2023-08-01
Through2024-07-31
AssociationSouth Sound USBC
StatusPast
From2023-08-01
Through2024-07-31
AssociationSnohomish County USBC
StatusPast
From2022-08-01
Through2023-07-31
AssociationIBC Youth HQ
StatusPast
From2021-08-01
Through2022-07-31
AssociationGr Seattle USBC
StatusPast
From2019-08-01
Through2020-07-31
AssociationIBC Youth HQ
StatusPast
From2019-08-01
Through2020-07-31
AssociationGr Seattle USBC
StatusPast
From2018-08-01
Through2019-07-31
AssociationGr Seattle USBC
StatusPast
From2017-08-01
Through2018-07-31
Career milestones
Honors
0900 series
0800 series
0300 games
011 in a row
Tournament history
Open Championships
Adjusted entering average
140
How it was calculated
The highest sport-adjusted average from the last three bowling seasons is used until 27 Open Championship games are available.
2025/26158 → 140
Your Open Championships average is calculated from your 27 most recent games bowled between 2018 and 2026.
Search historical Open Championships scores.