Ranking
Elite peak
USBC bowler profile

John C Cosper

Honors Legend
263-10676 Bowling since 2004
×2 800 series ×11 300 games ×5 11 in a row
220+ peak 190+ career avg 1K games 10+ honors
Lifetime average 199.5 Across all recorded seasons
Lifetime games 1875 USBC-recorded games
Highest average 228 75 games
Career honors 18 Recognized achievements
What this profile flair means
Elite peak aura

The nameplate aura reflects a highest recorded league average of 228.

Honors Legend

Awarded for reaching at least 10 recognized career honors.

Honor pins

Each pin names a recognized honor and shows how many times it was earned.

Milestone marks

These celebrate peak average, career average, recorded games, and accumulated honors separately.

Roster matching

League Finder

Start with one bowling center, then expand across the region. Matches use name, average, gender, game count, and league history when available.

Beta
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Choose a region and bowling center to begin.
Historical records

League History

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

188217
191220
194223
195224

Challenge conversions

204218
USBC standing

Memberships

Active membership
Nation's Capital Area USBC Current
2026-08-01 — 2027-07-31
San Francisco USBC Past
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.