Leagues

    USBC has data for Mark R Ritchie starting from 2001.
    Sport/Challenge average conversions are located at the bottom of the page.

    Recent Composite Averages

    2025: 181 over 93 games (House)
    2024: 169 over 93 games (House)
    2023: 173 over 183 games (House)
    2022: 173 over 117 games (House)
    2020: 170 over 102 games (House)

    League Averages

    2025-2026

  • Magic Eight (W) - data not found

    2024-2025

  • Magic Eight (W) - 181 over 93 games

    2023-2024

  • Magic Eight (W) - 169 over 93 games

    2022-2023

  • Early Birds (W) - 173 over 87 games
    Magic Eight (W) - 173 over 96 games

    2021-2022

  • Early Birds (W) - 174 over 93 games
    Tuesday Business Men's (W) - 170 over 24 games

    2019-2020

  • Early Birds (W) - 173 over 18 games
    Tuesday Business Mens (W) - 169 over 84 games

    2016-2017

  • City Lutheran (W) - 178 over 57 games
    EastSide Lutheran Mens (W) - 164 over 21 games

    2015-2016

  • City Lutheran (W) - 175 over 39 games
    EastSide Lutheran Mens (W) - 168 over 12 games

    2013-2014

  • City Lutheran (W) - 176 over 48 games

    2012-2013

  • City Lutheran (W) - 184 over 75 games

    2011-2012

  • EastSide Lutheran Mens (W) - 200 over 18 games
    City Lutheran (W) - 183 over 84 games

    2010-2011

  • Summer Bowling Lge (S) - 181 over 39 games
    City Lutheran (W) - 180 over 90 games

    2009-2010

  • EastSide Lutheran 59th Season (W) - 172 over 30 games
    City Lutheran (W) - 164 over 72 games

    2008-2009

  • Tues Morn Roll Ups (W) - 170 over 93 games
    City Lutheran (W) - 164 over 66 games

    2007-2008

  • Tues Morn Roll Ups (W) - 170 over 87 games

    2006-2007

  • Roll Ups (W) - 160 over 87 games

    2001-2002

  • Total Sports Jr House (W) - data not found

    2000-2001

  • Total Sports Jr House (W) - 151 over 87 games


Memberships

    Mark R Ritchie has an active USBC membership.

    Current:

    Gr Lapeer USBC - 2025-08-01 - 2026-07-31

    Past:

    Gr Lapeer USBC - 2024-08-01 - 2025-07-31
    Gr Lapeer USBC - 2023-08-01 - 2024-07-31
    Gr Lapeer USBC - 2022-08-01 - 2023-07-31
    Gr Lapeer USBC - 2021-08-01 - 2022-07-31
    Gr Lapeer USBC - 2019-08-01 - 2020-07-31
    Metro Detroit USBC - 2016-08-01 - 2017-07-31
    Metro Detroit USBC - 2015-08-01 - 2016-07-31
    Metro Detroit USBC - 2013-08-01 - 2014-07-31
    Metro Detroit USBC - 2012-08-01 - 2013-07-31
    Metro Detroit USBC - 2011-08-01 - 2012-07-31
    Metro Detroit USBC - 2010-08-01 - 2011-07-31
    Metro Detroit USBC - 2009-08-01 - 2010-07-31
    Metro Detroit USBC - 2008-08-01 - 2009-07-31
    Metro Detroit USBC - 2007-08-01 - 2008-07-31
    Gr Detroit BA - 2006-03-15 - 2007-07-31
    Metro Detroit USBC - 2006-08-01 - 2007-07-31
    Gr Detroit BA - 2001-08-01 - 2002-07-31
    Gr Detroit BA - 2000-08-01 - 2001-07-31
    Gr Detroit BA - 1998-08-01 - 1999-07-31

Honors

300 games (1)

  • 300 (Game 1) on January 6 2011 at AMF Rose Bowl Lanes - Games: 300-246-197


  • Open Championships

    Entering Average: 157

    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
    181 (standard) -> 157 (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.