BowlerProfiles
USBC bowler profile

John C Cosper

263-10676 Bowling since 2004
Share Ranking
Lifetime average 199.5 Across all recorded seasons
Lifetime games 1875 USBC-recorded games
Highest average 228 75 games
Career honors 18 Recognized achievements
Performance history

Leagues & averages

USBC records begin in 2004. Sport and challenge conversions are summarized below.

Recent composite averages

2016 Sport
192 average · 84 games
2015 Sport
199 average · 69 games
2015 House
186 average · 27 games
2014 Challenge
204 average · 46 games
2014 House
194 average · 3 games

League averages

2025-2026

Spirit of '88 Summer 2026 · S
Data not found

2015-2016

PBA Experience - 2 · W Sport
195 average · 20 games
PBA Experience · W Sport
191 average · 64 games

2014-2015

Coconut Classic · W
199 average · 69 games
Attitude Adjustments · W
196 average · 3 games
Wayne's World Sport · W
184 average · 24 games

2013-2014

Open Doubles · S Challenge
204 average · 46 games
Wayne's World Sport · W Sport
194 average · 17 games
Sunset Match Club · W
194 average · 3 games
Coconut Classic · W Sport
188 average · 24 games

2012-2013

595 Scratch · S
225 average · 4 games
Waynes World Sport · W
221 average · 3 games
Coconut Classic · W
201 average · 84 games
Open Doubles · S
194 average · 52 games
Sunset Match Club · W
194 average · 18 games
High Desert Premier · W
187 average · 3 games

2011-2012

Wayne's World · W
Data not found
High Desert Premier Scratch · W
197 average · 84 games
Coconut Classic · W
197 average · 84 games
Open Doubles · S
196 average · 48 games

2010-2011

810 Classic · W
Data not found
615 Trio · W
Data not found
Wayne's World PBA · W
226 average · 15 games
Coconut Classic · W
208 average · 81 games

2009-2010

820 Classic · W
Data not found
Coconut Classic · W
205 average · 75 games
Open Doubles · S
189 average · 48 games

2008-2009

Sierra Strikeline Classic · W
Data not found
Coconut Classic · W
200 average · 84 games
Open Doubles · S
196 average · 36 games
595 Scratch · S
24 average · 233 games

2007-2008

Sierra Strikeline Classic · W
Data not found
Coconut Classic · W
228 average · 75 games
Pinnocchio 625 Trio · W
218 average · 93 games

2006-2007

Summer Hot Shots · S
Data not found
Sierra League · W
214 average · 87 games
Coconut Classic · W
202 average · 15 games
Sierra Strikeline Classic · W
202 average · 84 games

2005-2006

Open Doubles · S
Data not found
1000 Classic · W
202 average · 36 games
615 Trio · W
197 average · 3 games
Monterey City Mens · W
194 average · 9 games

2004-2005

Scratch Trio · S
Data not found
Chi's Mixers · W
206 average · 84 games
Monterey City Mens · W
193 average · 75 games

2003-2004

Cheryl's Jubilee · S
Data not found
Jubilee · S
Data not found
Chukchansi Casino · S
Data not found
Monday Mixers · W
191 average · 92 games

Sport conversions

188→217
191→220
194→223
195→224

Challenge conversions

204218
USBC standing

Memberships

Not currently active
San Francisco USBC Most recent
2025-08-01 — 2026-07-31
San Diego USBC Past
2015-08-01 — 2016-07-31
Gr Reno Sparks USBC Past
2014-08-01 — 2015-07-31
Gr Reno Sparks USBC Past
2013-08-01 — 2014-07-31
Gr Reno Sparks USBC Past
2012-08-01 — 2013-07-31
Gr Reno Sparks USBC Past
2011-08-01 — 2012-07-31
Gr Reno Sparks USBC Past
2010-08-01 — 2011-07-31
Gr Reno Sparks USBC Past
2009-08-01 — 2010-07-31
Gr Reno Sparks USBC Past
2008-08-01 — 2009-07-31
Gr Reno Sparks USBC Past
2007-08-01 — 2008-07-31
Gr Reno Sparks USBC Past
2006-08-01 — 2007-07-31
Gr Reno Sparks USBC Past
2005-08-01 — 2006-07-31
Monterey BA Past
2005-08-01 — 2006-07-31
Monterey BA Past
2004-03-15 — 2005-07-31
Monterey BA Past
2003-08-01 — 2004-07-31
Sacramento BA Past
1999-03-15 — 2000-07-31
Career milestones

Honors

0900 series
2800 series
11300 games
511 in a row

800 series

813 series · Country Club Lanes
August 22 1994 · 257-267-289
806 series · Cordova Lanes
March 17 1990 · 289-258-259

300 games

Perfect game · GSR Bowling Center
March 5 2011 · 0-0-300
Perfect game · Coconut Bowl
November 26 2010 · 0-0-300
Perfect game · Yosemite Lanes
June 21 2008 · 233-222-300
Perfect game · Coconut Bowl
April 1 2008 · 0-0-300
Perfect game · High Sierra Lanes
October 1 2007 · 0-0-300
Perfect game · Monterey Lanes
January 4 2005 · 300-168-206
Perfect game · Country Club Lanes
November 7 1994 · 203-300-219
Perfect game · Cordova Lanes
April 10 1994 · 248-300-181
Perfect game · Bowlero North Sacramento
April 2 1991 · 300-202-253
Perfect game · FLB Entertainment Center
August 5 1989 · 300-0-0
Perfect game · Cordova Lanes
October 29 1988 · 237-300-212

11 in a row

11 consecutive strikes · Coconut Bowl
December 18 2007
11 consecutive strikes · Coconut Bowl
November 20 2007
11 consecutive strikes · Country Club Lanes
May 18 1994
11 consecutive strikes · Steve Cook's Fireside Lanes
July 2 1991
11 consecutive strikes · Cordova Lanes
April 15 1989
Tournament history

Open Championships

Adjusted entering average 220 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.

245 → 220

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