Competitive peak
USBC bowler profile
Mason Z McWilliams
League Competitor
24-7912
Bowling since 2025
180+ peak
170+ career avg
100 games
Lifetime average
176.34
Lifetime games
203
Highest average
191
Career honors
0
What this profile flair means
Competitive peak aura
The nameplate aura reflects a highest recorded league average of 191.
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 2025. Sport and challenge conversions are summarized below.
Recent composite averages
Year2026
Type
House
Average191
Games90
Year2026
Type
Challenge
Average174
Games36
Year2025
Type
Challenge
Average139
Games77
League averages
2026-2027
League
Tidewater Team Challenge 27
Challenge
SeasonW
Average & games
League
CH Fall JMS 27
SeasonW
Average & games
2025-2026
League
LH Jr/Sr
SeasonW
Average191
Games90
League
NO Tidewater Team Challenge
Challenge
SeasonW
Average174
Games36
2024-2025
League
LH Fall Jr / Sr
Challenge
SeasonW
Average139
Games77
Challenge conversions
139→149
174→189
USBC standing
Memberships
AssociationIBC Youth HQ
StatusCurrent
From2026-08-01
Through2027-07-31
AssociationTidewater Virginia USBC
StatusCurrent
From2026-08-01
Through2027-07-31
AssociationIBC Youth HQ
StatusPast
From2025-08-01
Through2026-07-31
AssociationTidewater Virginia USBC
StatusPast
From2025-08-01
Through2026-07-31
AssociationTidewater Virginia USBC
StatusPast
From2024-08-01
Through2025-07-31
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.
2025/26191 → 165
Your Open Championships average is calculated from your 27 most recent games bowled between 2018 and 2026.
Search historical Open Championships scores.