Competitive peak
USBC bowler profile
Carston B Guess
League Competitor
19-21819
Bowling since 2020
180+ peak
180+ career avg
250 games
Lifetime average
180
Lifetime games
339
Highest average
189
Career honors
0
What this profile flair means
Competitive peak aura
The nameplate aura reflects a highest recorded league average of 189.
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 2020. Sport and challenge conversions are summarized below.
Recent composite averages
2025
House
2024
House
2023
House
2022
House
2021
House
League averages
2024-2025
Colonial Lanes Saturday Youth 24-25
· W
2023-2024
Lancer High School
· W
Colonial Lanes Saturday Youth 23-24
· W
2022-2023
Standard Youth Membership
· W
Stars
· W
Saturday Morning Youth 22-23
· W
2021-2022
Colonial Lanes Saturday Youth
· W
2020-2021
Colonial Saturday Morning Youth
· W
2019-2020
Colonial Lanes Saturday Morning League
· W
USBC standing
Memberships
IBC Youth HQ
Most recent
Iowa City USBC
Past
Cedar Rapids USBC
Past
IBC Youth HQ
Past
IBC Youth HQ
Past
IBC Youth HQ
Past
IBC Youth HQ
Past
Iowa City USBC
Past
IBC Youth HQ
Past
Iowa City USBC
Past
Iowa City USBC
Past
Career milestones
Honors
0900 series
0800 series
0300 games
011 in a row
Tournament history
Open Championships
Adjusted entering average
165
How it was calculated
The highest sport-adjusted average from the last three bowling seasons is used until 27 Open Championship games are available.
2023/24191 → 165
The Open Championships average uses the most recent 27 games bowled from 2016 through 2025. Search historical championship scores.