Ranking
Elite peak
USBC bowler profile

Gregory J Colburn

Perfect Game Bowler
5495-16041 Bowling since 2004
×2 300 games ×2 11 in a row
220+ peak 200+ career avg 1K games Honor earned
Lifetime average 201.75 Across all recorded seasons
Lifetime games 1773 USBC-recorded games
Highest average 227 130 games
Career honors 4 Recognized achievements
What this profile flair means
Elite peak aura

The nameplate aura reflects a highest recorded league average of 227.

Perfect Game Bowler

Awarded for recording a sanctioned 300 game.

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
These are evidence-based suggestions, not confirmed identities. Your “likely” or “unlikely” choices last only for this browser tab and are never attached to the profile.
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

2026 Sport
172 average · 132 games
2018 Sport
187 average · 56 games
2018 House
183 average · 16 games
2017 Sport
187 average · 132 games
2016 House
210 average · 92 games

League averages

2026-2027

CLASSIC DRAFT · W Sport
Data not found

2025-2026

Monday Doubles · S
Data not found
CLASSIC DRAFT · W Sport
172 average · 132 games

2017-2018

CLASSIC DRAFT · W Sport
187 average · 56 games
Sierra Challenge · S
183 average · 16 games

2016-2017

CLASSIC DRAFT · W Sport
187 average · 132 games

2015-2016

Sierra Challenge · S
214 average · 56 games
COLLEGIATE MIXER · W
206 average · 36 games
CLASSIC DRAFT · W Sport
196 average · 132 games

2014-2015

Sierra Challenge · S
212 average · 60 games
COLLEGIATE MIXER · W
209 average · 65 games
CLASSIC DRAFT · W Sport
198 average · 130 games

2013-2014

Sierra Challenge · S
212 average · 52 games
COLLEGIATE MIXER · W
203 average · 33 games
CLASSIC DRAFT · W Sport
194 average · 124 games

2012-2013

Petersen Classic · W
218 average · 60 games
Sierra Challenge · S
216 average · 56 games
COLLEGIATE MIXER · W
203 average · 24 games
CLASSIC DRAFT · W
193 average · 60 games

2011-2012

Sierra Challenge · S
205 average · 56 games

2008-2009

Premier Travel League (Win 08) · W
199 average · 30 games

2007-2008

Premier Travel League (Sum 08) · S
Data not found
Premiers Travel League · W
201 average · 80 games

2006-2007

Premier Travel League (Sum 07) · S
Data not found
PBA Experience Yth (Sum 07)/Cedar Lanes, Inc · S
Data not found
Yosemite Bowling Conference (Win 06)/Fresno State · W
198 average · 24 games
Premier Travel League (Win 06)/Dave Jarosz · W
189 average · 105 games
Collegiate Mixer (Win 06)/Fresno State · W
187 average · 63 games

2005-2006

JohnsPizza · S
Data not found
Masters (Sum 06)/Sierra Lanes, Amf · S
Data not found
Premier Travel League (Sum 06)/Dave Jarosz · S
Data not found
Sat Masters (Win 05)/Sierra Lanes, Amf · W
201 average · 44 games
Collegiate Mixer (Win 05)/Fresno State · W
189 average · 57 games

2004-2005

Winter Classic Trios 04-05 (Winter 04)/Presidio Bo · W
144 average · 69 games

2003-2004

Summer Classic Trios 2004 (Sum 04)/Presidio Bowlin · S
Data not found
Sat. Juniors (Winter 03)/Sierra Lanes, Amf · W
159 average · 21 games

Sport conversions

172199
187216
194223
196225
198227
USBC standing

Memberships

Active membership
Central California USBC Current
2026-08-01 — 2027-07-31
Central California USBC Past
2025-08-01 — 2026-07-31
Central California USBC Past
2024-08-01 — 2025-07-31
Central California USBC Past
2023-08-01 — 2024-07-31
Central California USBC Past
2017-08-01 — 2018-07-31
Central California USBC Past
2016-08-01 — 2017-07-31
Central California USBC Past
2015-08-01 — 2016-07-31
USBC HQ Past
2015-08-01 — 2016-07-31
Central California USBC Past
2014-08-01 — 2015-07-31
Central California USBC Past
2014-08-01 — 2015-07-31
USBC HQ Past
2014-08-01 — 2015-07-31
Central California USBC Past
2013-08-01 — 2014-07-31
USBC HQ Past
2013-08-01 — 2014-07-31
Central California USBC Past
2012-08-01 — 2013-07-31
Kings County USBC Past
2012-08-01 — 2013-07-31
USBC HQ Past
2012-08-01 — 2013-07-31
Central California USBC Past
2011-03-15 — 2012-07-31
Nor-Cal USBC Youth Past
2008-08-01 — 2009-07-31
Nor-Cal USBC Youth Past
2007-08-01 — 2008-07-31
Nor-Cal USBC Youth Past
2006-08-01 — 2007-07-31
Nor-Cal USBC Youth Past
2005-08-01 — 2006-07-31
Nor-Cal USBC Youth Past
2004-03-15 — 2005-07-31
Nor-Cal USBC Youth Past
2003-08-01 — 2004-07-31
Career milestones

Honors

0900 series
0800 series
2300 games
211 in a row

300 games

Perfect game · Lucky Strike Fresno
May 20 2013 · 300-0-0
Perfect game · Diablo Valley Bowl
March 4 2007 · 178-300-159

11 in a row

11 consecutive strikes · K C Bowl
October 3 2012
11 consecutive strikes · Lucky Strike Fresno
June 21 2008
Tournament history

Open Championships

Adjusted entering average 172 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.

2025/26199 → 172

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