Leagues

    USBC has data for Gregory C Mack Sr starting from 2007.
    Sport/Challenge average conversions are located at the bottom of the page.

    Recent Composite Averages

    2026: 202 over 36 games (House)
    2023: 177 over 96 games (House)
    2022: 173 over 105 games (House)
    2021: 172 over 69 games (House)
    2020: 180 over 99 games (House)

    League Averages

    2025-2026

  • MPO Mixed (W) - data not found
    Touch Of Class (W) - data not found
    Sexy Seniors (W) - 210 over 18 games
    Delores McGee/Bluff City Rollers (W) - 193 over 18 games

    2022-2023

  • MPO Mixed (W) - 177 over 96 games

    2021-2022

  • MPO Mixed (W) - 173 over 105 games

    2020-2021

  • MPO Mixed (W) - 172 over 69 games

    2019-2020

  • MLGW Mixed (W) - 226 over 3 games
    MPO Mixed (W) - 178 over 96 games

    2018-2019

  • Strike Zone Seniors (W) - data not found
    MPO Mixed (W) - 166 over 83 games

    2013-2014

  • Sunday Mixers (W) - data not found
    Sunday Miller Funtime (W) - 181 over 24 games

    2012-2013

  • Sunday Mixers (W) - 181 over 19 games

    2011-2012

  • Friday Vegas (W) - 210 over 15 games
    Sagebrush (W) - 203 over 4 games
    Sunday Mixers (W) - 180 over 24 games

    2010-2011

  • Sagebrush (W) - 189 over 3 games
    Friday Laughlin (W) - 181 over 66 games

    2009-2010

  • Monday Miller (W) - 240 over 6 games
    Gambowlers (W) - 183 over 63 games

    2008-2009

  • LERC (W) - data not found
    Monday Miller Funtime (S) - data not found
    Senate Night Out (S) - data not found
    Friday Vegas (W) - 191 over 12 games
    Monday Miller Lite Funtime (W) - 189 over 86 games

    2007-2008

  • Mixed Nuts (W) - data not found
    PBA Experience (S) - data not found
    Monday Miller Lite Funtime (S) - data not found
    Sunday Miller Funtime (W) - 222 over 3 games
    Friday Laughlin (W) - 179 over 87 games
    Thursday Miller Funtime (W) - 178 over 72 games

    2006-2007

  • Wednesday Practice (S) - data not found
    Thursday Miller Funtime (W) - data not found
    Nevada Hot Slots (W) - 183 over 53 games


Memberships

    Gregory C Mack Sr has an active USBC membership.

    Current:

    Memphis Area USBC - 2025-08-01 - 2026-07-31

    Past:

    Memphis Area USBC - 2022-08-01 - 2023-07-31
    Memphis Area USBC - 2021-08-01 - 2022-07-31
    Memphis Area USBC - 2020-08-01 - 2021-07-31
    Memphis Area USBC - 2019-08-01 - 2020-07-31
    Memphis Area USBC - 2018-08-01 - 2019-07-31
    Antelope Valley USBC - 2014-08-01 - 2015-07-31
    North Los Angeles Co USBC - 2014-08-01 - 2015-07-31
    Antelope Valley USBC - 2013-08-01 - 2014-07-31
    Antelope Valley USBC - 2013-08-01 - 2014-07-31
    Antelope Valley USBC - 2012-08-01 - 2013-07-31
    Antelope Valley USBC - 2011-08-01 - 2012-07-31
    Antelope Valley USBC - 2010-08-01 - 2011-07-31
    Antelope Valley USBC - 2009-03-15 - 2010-07-31
    Antelope Valley USBC - 2008-03-15 - 2009-07-31
    Antelope Valley USBC - 2007-08-01 - 2008-07-31
    Antelope Valley USBC - 2006-08-01 - 2007-07-31

Honors

300 games (1)

  • 300 (Game 3) on October 20 2008 at Bowlero Palmdale - Games: 184-189-300


  • 11 in a row (1)

  • August 1 2007 at Bowlero Palmdale


  • Open Championships

    Entering Average: 154

    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: 2022/23
    177 (standard) -> 154 (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.