Rising peak
USBC bowler profile
Sierra E Stallworth
League Competitor
18-88379
Bowling since 2019
160+ peak
250 games
Lifetime average
151.82
Lifetime games
338
Highest average
166
Career honors
0
What this profile flair means
Rising peak aura
The nameplate aura reflects a highest recorded league average of 166.
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 2019. Sport and challenge conversions are summarized below.
Recent composite averages
2024
House
2023
House
2022
House
2021
House
2020
House
League averages
2023-2024
Tuesday Mixer
· W
Storm Fil-AM
· W
Early Birds II
· S
Tuesday Niters
· W
2022-2023
Twilight Wed II
· S
2021-2022
Royal Aces II
· S
2020-2021
Royal Aces II
· S
2019-2020
SF Teen Hdcp Singles
· W
SF Jr Gold
· W
Challenge
2018-2019
Pin Crushers
· W
Tannin Teens
· S
Challenge conversions
135→143
USBC standing
Memberships
Southern Nevada USBC
Most recent
USBC HQ
Past
Southern Nevada USBC
Past
Southern Nevada USBC
Past
USBC HQ
Past
USBC HQ
Past
Southern Nevada USBC
Past
Southern Nevada USBC
Past
Southern Nevada USBC
Past
Southern Nevada USBC
Past
Southern Nevada USBC
Past
Career milestones
Honors
0900 series
0800 series
0300 games
011 in a row
Tournament history
Open Championships
Adjusted entering average
146
How it was calculated
The highest sport-adjusted average from the last three bowling seasons is used until 27 Open Championship games are available.
2023/24166 → 146
The Open Championships average uses the most recent 27 games bowled from 2016 through 2025. Search historical championship scores.