Competitive peak
USBC bowler profile
Nicholas Grotheer
League Competitor
17-89165
Bowling since 2018
180+ peak
500 games
Lifetime average
151
Lifetime games
902
Highest average
190
Career honors
0
What this profile flair means
Competitive peak aura
The nameplate aura reflects a highest recorded league average of 190.
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
2025
Sport
2024
Sport
2023
House
2023
Sport
2022
House
League averages
2025-2026
Monday Summer Doubles
· S
2024-2025
Jr Classic Invitational
· W
Sport
2023-2024
Jr Classic Invitational
· W
Sport
2022-2023
Jr Classic Invitational
· W
Sport
Mavericks
· W
Jr Classic Invitational
· S
Sport
2021-2022
Summer Jr Classic
· S
Sport
Mavericks
· W
Jr Classic Invitational
· W
Sport
2020-2021
Mavericks
· W
Jr Classic Invitational
· W
Sport
2019-2020
Friday Preps
· W
2018-2019
Friday Preps
· W
2017-2018
Empire Strikers Preps
· W
Sport conversions
127→138
130→143
152→175
157→181
164→190
USBC standing
Memberships
Long Island USBC
Most recent
Long Island USBC
Past
Long Island USBC
Past
Long Island USBC
Past
Long Island USBC
Past
Long Island USBC
Past
Long Island USBC
Past
Long Island USBC
Past
Long Island USBC
Past
Career milestones
Honors
0900 series
0800 series
0300 games
011 in a row
Tournament history
Open Championships
Adjusted entering average
164
How it was calculated
The highest sport-adjusted average from the last three bowling seasons is used until 27 Open Championship games are available.
2024/25190 → 164
The Open Championships average uses the most recent 27 games bowled from 2016 through 2025. Search historical championship scores.