Leagues

    USBC has data for Jason A Koss starting from 2002.
    Sport/Challenge average conversions are located at the bottom of the page.

    Recent Composite Averages

    2025: 214 over 33 games (House)
    2024: 215 over 45 games (House)
    2023: 213 over 45 games (House)
    2021: 211 over 72 games (House)
    2020: 211 over 42 games (House)

    League Averages

    2025-2026

  • Thursday Mixed (W) - data not found

    2024-2025

  • Wednesday Night Bucks (W) - 215 over 30 games
    Thursday Night Majors (W) - 206 over 3 games

    2023-2024

  • Wednesday Night Bucks (W) - 215 over 45 games

    2022-2023

  • Wednesday Night Bucks (W) - 213 over 45 games

    2020-2021

  • Tri City One (W) - 211 over 72 games

    2019-2020

  • Tri City One (W) - 214 over 39 games
    Wednesday Night Bucks (W) - 162 over 3 games

    2018-2019

  • Tri City One (W) - 199 over 21 games

    2016-2017

  • Tri City One (W) - 212 over 33 games

    2015-2016

  • Saturday Night Hawks (W) - 202 over 30 games
    Wednesday Night Bucks (W) - 179 over 3 games

    2014-2015

  • Saturday Night Hawks (W) - 210 over 30 games

    2013-2014

  • Wednesday Night Bucks (W) - 236 over 9 games
    Tuesday Business Mens (W) - 221 over 3 games
    Tri City One (W) - 208 over 72 games
    Saturday Night Hawks (W) - 199 over 30 games

    2012-2013

  • Saturday Night Baseball Couples (W) - 223 over 18 games
    Tri City One (W) - 214 over 75 games

    2011-2012

  • Tri City One (W) - 212 over 72 games
    Saturday Night Baseball Couples (W) - 212 over 24 games

    2010-2011

  • Saturday Night Baseball Couples (W) - 214 over 27 games
    Tri City One (W) - 212 over 78 games

    2009-2010

  • Saturday Night Baseball Couples (W) - 226 over 24 games

    2008-2009

  • Saturday Night Baseball Couples (W) - 194 over 30 games

    2007-2008

  • TUESDAY NIGHT MENS (W) - 201 over 18 games

    2006-2007

  • Saturday Night Baseball Couples (W) - 216 over 6 games
    TUESDAY NIGHT MENS (W) - 198 over 6 games

    2005-2006

  • 1/2 Time Entertainment (W) - 216 over 30 games

    2004-2005

  • Half Time Entertainment (W) - data not found

    2002-2003

  • Half Time Entertainment (W) - 228 over 39 games
    TUESDAY NIGHT MENS (W) - 216 over 78 games

    2001-2002

  • Wednesday MAJORS (W) - 242 over 6 games


Memberships

    Jason A Koss has an active USBC membership.

    Current:

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

    Past:

    Waupaca Area USBC - 2024-08-01 - 2025-07-31
    Waupaca Area USBC - 2023-08-01 - 2024-07-31
    Waupaca Area USBC - 2022-08-01 - 2023-07-31
    Waupaca Area USBC - 2021-08-01 - 2022-07-31
    Waupaca Area USBC - 2020-08-01 - 2021-07-31
    Waupaca Area USBC - 2019-08-01 - 2020-07-31
    Waupaca Area USBC - 2018-08-01 - 2019-07-31
    Waupaca Area USBC - 2017-08-01 - 2018-07-31
    Waupaca Area USBC - 2016-08-01 - 2017-07-31
    Waupaca Area USBC - 2015-08-01 - 2016-07-31
    Waupaca Area USBC - 2014-08-01 - 2015-07-31
    Waupaca Area USBC - 2013-08-01 - 2014-07-31
    Waupaca Area USBC - 2012-08-01 - 2013-07-31
    Waupaca Area USBC - 2011-08-01 - 2012-07-31
    Waupaca Area USBC - 2010-08-01 - 2011-07-31
    Waupaca Area USBC - 2009-08-01 - 2010-07-31
    Waupaca Area USBC - 2008-08-01 - 2009-07-31
    Waupaca Area USBC - 2007-08-01 - 2008-07-31
    Waupaca Area USBC - 2006-08-01 - 2007-07-31
    Waupaca Area USBC - 2005-08-01 - 2006-07-31
    Waupaca BA - 2004-03-15 - 2005-07-31
    Waupaca BA - 2002-08-01 - 2003-07-31
    Manawa BA - 2001-08-01 - 2002-07-31
    Waupaca BA - 1999-08-01 - 2000-07-31
    Waupaca BA - 1998-08-01 - 1999-07-31

Honors

800 series (4)

  • 803 on January 13 2023 at Revs Bowl Bar & Grill - Games: 269-300-234
  • 833 on October 11 2010 at Silver Lake Lanes - Games: 299-235-299
  • 841 on January 1 2000 at Silver Lake Lanes - Games: 278-297-266
  • 822 on September 18 1999 at Silver Lake Lanes - Games: 232-290-300


  • 300 games (9)

  • 300 (Game 2) on January 13 2023 at Revs Bowl Bar & Grill - Games: 269-300-234
  • 300 (Game 1) on March 11 2013 at Silver Lake Lanes - Games: 300-168-214
  • 300 (Game 1) on March 27 2010 at Silver Lake Lanes - Games: 300-211-111
  • 300 (Game 1) on December 20 2009 at Keglers Bowling Center - Games: 300-257-200
  • 300 (Game 3) on February 22 2003 at Waupaca Bowl - Games: 223-269-300
  • 300 (Game 2) on September 15 2001 at - Games: 227-300-176
  • 300 (Game 2) on September 15 2001 at Waupaca Bowl - Games: 227-300-176
  • 300 (Game 3) on September 18 1999 at Silver Lake Lanes - Games: 232-290-300
  • 300 (Game 1) on January 4 1999 at Silver Lake Lanes - Games: 300-0-0


  • 11 in a row (4)

  • November 19 2012 at Silver Lake Lanes
  • October 11 2010 at Silver Lake Lanes
  • November 8 1999 at Silver Lake Lanes
  • September 18 1999 at Silver Lake Lanes


  • Open Championships

    Entering Average: 186

    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 9 games out of the required 27.

    The Math

    Highest league is from: 2024/25
    215 (standard) -> 186 (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.

    IGBO TAD

    ( gms)



    Tournaments

    This average is from Feb 1, 2025 until Feb 1, 2026.