Ranking
Competitive peak
USBC bowler profile

Jason R Mah Sr

League Competitor
8970-200233 Bowling since 2023
180+ peak 160+ career avg 250 games
Lifetime average 162.13 Across all recorded seasons
Lifetime games 401 USBC-recorded games
Highest average 180 41 games
Career honors 0 Recognized achievements
What this profile flair means
Competitive peak aura

The nameplate aura reflects a highest recorded league average of 180.

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.

Roster matching

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Historical records

League History

USBC records begin in 2023. Sport and challenge conversions are summarized below.

Recent composite averages

2026 House
180 average · 41 games
2025 House
170 average · 63 games
2024 House
171 average · 136 games
2023 House
148 average · 161 games

League averages

2025-2026

Summer Bowlers RX · S
Data not found
Renegades · W
180 average · 41 games

2024-2025

Renegades · W
Data not found
Wednesday Trios · W
170 average · 63 games

2023-2024

Summer Bowlers RX · S
173 average · 31 games
Renegades · W
172 average · 78 games
Jr/Adult · W
168 average · 27 games

2022-2023

Wednesday Trios · W
172 average · 71 games
Junior/Adult · W
159 average · 42 games
Summer Bowlers RX · S
103 average · 48 games
USBC standing

Memberships

Not currently active
Contra Costa County USBC Most recent
2025-08-01 — 2026-07-31
Contra Costa County USBC Past
2024-08-01 — 2025-07-31
Contra Costa County USBC Past
2023-08-01 — 2024-07-31
Contra Costa County USBC Past
2022-08-01 — 2023-07-31
Career milestones

Honors

0900 series
0800 series
0300 games
011 in a row
Tournament history

Open Championships

Adjusted entering average 156 Fewer than 27 recorded Open Championship games

How it was calculated

The highest sport-adjusted average from the last three bowling seasons is used until 27 Open Championship games are available.

2025/26180 → 156

The Open Championships average uses the most recent 27 games bowled from 2016 through 2025. Search historical championship scores.