Leagues

    USBC has data for Sandy Williams starting from 2024.
    Sport/Challenge average conversions are located at the bottom of the page.

    Recent Composite Averages

    2025: 150 over 156 games (House)
    2024: 144 over 51 games (House)

    League Averages

    2025-2026

  • Thursday Practice (W) - data not found
    Thursday Practice (W) - data not found

    2024-2025

  • Thursday Practice (S) - 155 over 39 games
    Thursday Practice (W) - 153 over 45 games
    Thursday Practice (W) - 148 over 36 games
    Summer Tuesday Shooters (S) - 145 over 36 games

    2023-2024

  • Thursday Practice (S) - data not found
    Thursday Practice (W) - 151 over 12 games
    Thursday Practice (W) - 143 over 39 games


Memberships

    Sandy Williams has an active USBC membership.

    Current:

    Contra Costa County USBC - 2025-08-01 - 2026-07-31

    Past:

    Contra Costa County USBC - 2024-08-01 - 2025-07-31
    Contra Costa County USBC - 2023-08-01 - 2024-07-31

Honors

Open Championships

Entering Average: 138

Why?

If a bowler does not have a 27 game Open Championship Average, use the Highest Sport Adjusted Average of the last three bowling seasons.
You currently have bowled 0 games out of the required 27.

The Math

Highest league is from: 2024/25
155 (standard) -> 138 (sport)

Open Championships average is the most recent 27 games bowled at the Open Championships from 2016 through 2025. To search historical scores from the Open Championships Leaderboard click here.