Scratch peak
USBC bowler profile
J.T. Grothus
800 Club
19-75980
Bowling since 2020
×1
800 series
×1
11 in a row
200+ peak
180+ career avg
250 games
Honor earned
Lifetime average
182.29
Lifetime games
270
Highest average
212
Career honors
2
What this profile flair means
Scratch peak aura
The nameplate aura reflects a highest recorded league average of 212.
800 Club
Awarded for recording a sanctioned 800 series.
Honor pins
Each pin names a recognized honor and shows how many times it was earned.
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
2026
Sport
2025
House
2024
House
2023
House
2022
House
League averages
2025-2026
Standard Youth Membership
· W
Youth Sport Shot
· W
Sport
2024-2025
Jr Sr Merchants
· W
2023-2024
Standard Youth Membership
· W
JR SR Merchants
· W
2022-2023
Jr Sr Merchants
· W
2021-2022
Jr/Sr Merchants
· W
2020-2021
North Star Bombers
· W
2019-2020
North Star Bombers
· W
Sport conversions
197→226
USBC standing
Memberships
Gr Davenport Metro USBC
Current
IBC Youth HQ
Past
IBC Youth HQ
Past
IBC Youth HQ
Past
Gr Davenport Metro USBC
Past
IBC Youth HQ
Past
IBC Youth HQ
Past
IBC Youth HQ
Past
Gr Davenport Metro USBC
Past
IBC Youth HQ
Past
Gr Davenport Metro USBC
Past
IBC Youth HQ
Past
Gr Davenport Metro USBC
Past
Gr Davenport Metro USBC
Past
Career milestones
Honors
0900 series
1800 series
0300 games
111 in a row
800 series
800 series · TBK Bank Entertainment Center
11 in a row
11 consecutive strikes · Five Star Lanes
Tournament history
Open Championships
Adjusted entering average
183
How it was calculated
The highest sport-adjusted average from the last three bowling seasons is used until 27 Open Championship games are available.
2024/25212 → 183
The Open Championships average uses the most recent 27 games bowled from 2016 through 2025. Search historical championship scores.