BowlerProfiles
Ranking
Premier peak
USBC bowler profile

Justin Knowles

Honors Legend
9310-417 PBA Bowling since 2001
×32 800 series ×36 300 games ×7 11 in a row
230+ peak 200+ career avg 2.5K games 10+ honors
Lifetime average 222.19 Across all recorded seasons
Lifetime games 3054 USBC-recorded games
Highest average 248 42 games
Career honors 75 Recognized achievements
What this profile flair means
Premier peak aura

The nameplate aura reflects a highest recorded league average of 248.

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
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 2001. Sport and challenge conversions are summarized below.

Recent composite averages

2026 House
243 average · 123 games
2025 House
246 average · 114 games
2024 House
241 average · 108 games
2023 House
237 average · 123 games
2022 House
232 average · 75 games

League averages

2025-2026

BOC Mens · W
246 average · 60 games
MSU Men Employees · W
240 average · 63 games

2024-2025

MSU Men Employees · W
247 average · 54 games
BOC Mens · W
246 average · 57 games
UAW Local 724 · W
224 average · 3 games

2023-2024

700 League · W
Data not found
Thursday Mixed Trios · W
Data not found
G M #7 · W
248 average · 42 games
MSU Men Employees · W
236 average · 66 games

2022-2023

Trio Classic · S Challenge
Data not found
Monday Scratch Trios · W
241 average · 63 games
BOC Mens · W
233 average · 6 games
Compass Insurance Labatt Blue · W
233 average · 42 games
G M #7 · W
231 average · 6 games
Dean Misfits · W
231 average · 3 games
MSU Men Employees · W
218 average · 3 games

2021-2022

700 League · W
Data not found
Hy State · W
232 average · 75 games
Jax 60 Sport · W Sport
204 average · 88 games

2020-2021

700 League · W
Data not found
G M #7 · W
238 average · 3 games
Big Money Tuesday · W
229 average · 39 games
American Legion · W
229 average · 3 games

2019-2020

BOC Mens · W
244 average · 15 games
Pines Scratch Trio · W
233 average · 30 games
Hy State · W
227 average · 3 games
Northland Classic · W
226 average · 9 games
American Legion · W
222 average · 15 games
Dean Misfits · W
220 average · 3 games
Monday Majors · W
218 average · 3 games
Monday Invitational · W
216 average · 9 games

2018-2019

Arbor Valley USBC Affiliate · W
Data not found
G M #7 · W
243 average · 24 games
BOC Mens · W
231 average · 9 games
Sportsman · W
228 average · 48 games
Northland Classic · W
221 average · 62 games
Detroit All Star Classic · W
202 average · 13 games

2017-2018

Airport 700 · W
Data not found
Boyne Machine Industrial · W
231 average · 3 games
Detroit All Star Classic · W
229 average · 55 games
Summer Trio Sweeper · S Challenge
223 average · 27 games
Bill Brown Ford Invitational · W
222 average · 39 games
Airport Challenge · W Challenge
219 average · 47 games
Mason Recreation · W
211 average · 6 games
M.A.C. · W
204 average · 6 games

2016-2017

Invitational Classic · W Sport
Data not found
Arbor Valley Affiliate · W
Data not found
Boyne Machine Industrial · W
240 average · 66 games
Paragon All Stars · W
237 average · 81 games
Boyne Machine Monday Scratch · W
235 average · 104 games
USBC Summer · S
231 average · 6 games

2015-2016

Commercial League · W
Data not found
Monday Majors · W
230 average · 24 games
Budweiser Summer Travel · S
229 average · 33 games
Boyne Machine Industrial · W
221 average · 81 games
UAW Local 724 · W
219 average · 3 games
Invitational Classic · W
203 average · 24 games

2014-2015

Tuesday Scratch Trio · W
225 average · 36 games
Monday Majors · W
217 average · 96 games
Hy State · W
217 average · 15 games
Cherryland League · W
212 average · 6 games

2013-2014

Classic · W Sport
Data not found
Tgif Mixed · W
Data not found
Tuesday Scratch Trio · W
237 average · 81 games
Monday Majors · W
232 average · 99 games
Odd Couples · W
218 average · 42 games

2012-2013

Monday Majors · W
223 average · 99 games
Tuesday Night Commercial · W
216 average · 99 games
Thursday Duos · S
214 average · 24 games
Sunday Mixed Doubles · W
210 average · 93 games
COL Mens Trio · W
196 average · 3 games

2011-2012

Classic · W
Data not found
Monday Majors · W
232 average · 99 games
Tuesday Night Commercial · W
223 average · 93 games
Sunday Night Mixed · W
212 average · 63 games

2010-2011

House American · W
Data not found
Commercial League · W
Data not found
Cherryland League · W
Data not found
Tuesday Night Commercial · W
220 average · 93 games
Monday Majors · W
217 average · 93 games
Sunday Night Mixed · W
202 average · 6 games

2009-2010

Tuesday Night Commercial · W
221 average · 96 games

2008-2009

Timber Teens · W
Data not found

2007-2008

Timber Teens · W
Data not found

2006-2007

Saturday Rock N Rollers · W
204 average · 84 games

2005-2006

Rosebowl - Majors · W
Data not found
Timber Teens · W
173 average · 3 games

2004-2005

Bonanza - Friday Junior Majors · W
195 average · 15 games
Bonanza - Sat Junior / Majors · W
190 average · 45 games

2003-2004

Bonanza - Sat Junior / Majors · W
174 average · 66 games

2000-2001

Rosebowl Sat 11:30 Bantams · W
143 average · 81 games

Sport conversions

204→232

Challenge conversions

219→232
223→235
USBC standing

Memberships

Not currently active
Lansing USBC Most recent
2025-08-01 — 2026-07-31
Lansing USBC Past
2024-08-01 — 2025-07-31
Gr Grand Rapids USBC Past
2023-08-01 — 2024-07-31
Gr Jackson USBC Past
2023-08-01 — 2024-07-31
Lansing USBC Past
2023-08-01 — 2024-07-31
Gr Grand Rapids USBC Past
2022-08-01 — 2023-07-31
Lansing USBC Past
2021-08-01 — 2022-07-31
Gr Jackson USBC Past
2020-08-01 — 2021-07-31
Lansing USBC Past
2020-08-01 — 2021-07-31
Metro Detroit USBC Past
2020-08-01 — 2021-07-31
Arbor Valley USBC Past
2019-08-01 — 2020-07-31
Cadillac Area USBC Past
2019-08-01 — 2020-07-31
Lansing USBC Past
2019-08-01 — 2020-07-31
Metro Detroit USBC Past
2019-08-01 — 2020-07-31
Traverse City USBC Past
2019-08-01 — 2020-07-31
Cadillac Area USBC Past
2018-08-01 — 2019-07-31
Lansing USBC Past
2018-08-01 — 2019-07-31
Metro Detroit USBC Past
2018-08-01 — 2019-07-31
Gr Grand Rapids USBC Past
2017-08-01 — 2018-07-31
Gr Jackson USBC Past
2017-08-01 — 2018-07-31
Mason USBC Past
2017-08-01 — 2018-07-31
Metro Detroit USBC Past
2017-08-01 — 2018-07-31
Arbor Valley USBC Past
2016-08-01 — 2017-07-31
Gr Grand Rapids USBC Past
2016-08-01 — 2017-07-31
Lansing USBC Past
2016-08-01 — 2017-07-31
Mason USBC Past
2016-08-01 — 2017-07-31
Gr Grand Rapids USBC Past
2015-08-01 — 2016-07-31
Lansing USBC Past
2015-08-01 — 2016-07-31
Traverse City USBC BA Past
2015-08-01 — 2016-07-31
Lansing USBC Past
2014-08-01 — 2015-07-31
Traverse City USBC BA Past
2014-08-01 — 2015-07-31
Traverse City USBC BA Past
2013-08-01 — 2014-07-31
Gaylord USBC Past
2012-08-01 — 2013-07-31
Mancelona USBC Past
2012-08-01 — 2013-07-31
Traverse City USBC BA Past
2012-08-01 — 2013-07-31
Mancelona USBC Past
2011-08-01 — 2012-07-31
Traverse City USBC BA Past
2011-08-01 — 2012-07-31
Mancelona USBC Past
2010-08-01 — 2011-07-31
Traverse City USBC BA Past
2010-08-01 — 2011-07-31
Mancelona USBC Past
2009-08-01 — 2010-07-31
IBC Youth HQ Past
2008-08-01 — 2009-07-31
Traverse City USBC Youth Past
2008-08-01 — 2009-07-31
Traverse City USBC Youth Past
2007-08-01 — 2008-07-31
Gaylord USBC Past
2006-08-01 — 2007-07-31
Gr Detroit YABA Past
2005-08-01 — 2006-07-31
Traverse City USBC Youth Past
2005-08-01 — 2006-07-31
Gr Detroit YABA Past
2004-03-15 — 2005-07-31
Gr Detroit YABA Past
2003-08-01 — 2004-07-31
Gr Detroit YABA Past
2002-08-01 — 2003-07-31
Gr Detroit YABA Past
2000-08-01 — 2001-07-31
Gr Detroit YABA Past
1999-08-01 — 2000-07-31
Career milestones

Honors

0900 series
32800 series
36300 games
711 in a row

800 series

814 series · Pins and Pints
February 8 2026 · 267-279-268
835 series · Royal Scot Golf & Bowl
September 26 2024 · 299-278-258
804 series · Royal Scot Golf & Bowl
September 19 2024 · 279-288-237
836 series · Royal Scot Golf & Bowl
September 5 2024 · 300-246-290
800 series · Royal Scot Golf & Bowl
January 18 2024 · 255-257-288
857 series · Royal Scot Golf & Bowl
December 7 2023 · 299-300-258
826 series · Country Lanes
September 25 2022 · 278-300-248
825 series · Rockford Lanes
September 19 2022 · 300-258-267
808 series · Royal Scot Golf & Bowl
September 15 2021 · 300-242-266
848 series · Jax 60
February 24 2021 · 290-268-290
833 series · Jax 60
February 11 2021 · 254-290-289
826 series · Brighton Bowl
November 2 2019 · 279-300-247
802 series · Brighton Bowl
October 27 2018 · 257-277-268
810 series · Five Star Lanes
July 18 2018 · 244-266-300
813 series · Fraser Star Lanes
December 14 2017 · 266-299-248
812 series · Lodge Lanes
October 1 2017 · 258-276-278
833 series · Lodge Lanes
October 1 2017 · 300-244-289
821 series · Paragon Lanes
April 19 2017 · 274-278-269
822 series · Paragon Lanes
November 5 2016 · 278-300-244
803 series · Paragon Lanes
October 5 2016 · 300-236-267
802 series · Paragon Lanes
September 29 2016 · 255-279-268
802 series · Station 300 - Saline
September 2 2016 · 236-268-298
806 series · Dondee Lanes
May 8 2016 · 300-258-248
807 series · Lucky Jack's
April 11 2016 · 278-270-259
809 series · Lucky Jack's
October 26 2014 · 300-289-220
804 series · Incredible Mo's
September 30 2014 · 300-279-225
807 series · Lucky Jack's
January 26 2014 · 269-300-238
806 series · Incredible Mo's
December 3 2013 · 259-279-268
810 series · Lucky Jack's
November 26 2012 · 253-279-278
804 series · Lucky Jack's
January 16 2012 · 300-225-279
834 series · Mancelona Lanes
November 27 2011 · 288-267-279
804 series · Mancelona Lanes
October 19 2010 · 279-226-299

300 games

Perfect game · Pins and Pints
February 8 2026 · 216-300-198
Perfect game · Northway Lanes
January 25 2026 · 198-300-278
Perfect game · Royal Scot Golf & Bowl
October 28 2025 · 300-247-182
Perfect game · Royal Scot Golf & Bowl
December 3 2024 · 300-0-0
Perfect game · Dondee Lanes
April 27 2024 · 0-300-0
Perfect game · Royal Scot Golf & Bowl
December 19 2023 · 0-0-300
Perfect game · Royal Scot Golf & Bowl
December 7 2023 · 0-300-0
Perfect game · Royal Scot Golf & Bowl
December 19 2022 · 0-0-300
Perfect game · Country Lanes
September 25 2022 · 300-0-0
Perfect game · Rockford Lanes
September 19 2022 · 300-258-267
Perfect game · South Point Bowling Plaza
May 24 2022 · 226-237-300
Perfect game · Thunderbowl Lanes
March 20 2022 · 300-0-0
Perfect game · Royal Scot Golf & Bowl
March 16 2022 · 0-300-0
Perfect game · Royal Scot Golf & Bowl
September 15 2021 · 300-242-266
Perfect game · The Orleans
May 19 2021 · 300-188-189
Perfect game · Westland Bowl
March 7 2021 · 300-0-0
Perfect game · Astro Lanes
January 19 2020 · 300-0-0
Perfect game · Royal Scot Golf & Bowl
November 17 2019 · 300-192-247
Perfect game · Brighton Bowl
November 2 2019 · 279-300-247
Perfect game · Royal Scot Golf & Bowl
January 3 2019 · 0-0-300
Perfect game · Royal Scot Golf & Bowl
November 15 2018 · 300-0-0
Perfect game · Five Star Lanes
July 18 2018 · 244-266-300
Perfect game · Hazel Park Bowl
February 25 2018 · 0-300-0
Perfect game · Lodge Lanes
October 1 2017 · 300-244-289
Perfect game · Paragon Lanes
November 16 2016 · 300-0-0
Perfect game · Paragon Lanes
November 5 2016 · 278-300-244
Perfect game · Paragon Lanes
October 5 2016 · 300-236-267
Perfect game · Dondee Lanes
May 8 2016 · 300-258-248
Perfect game · Lucky Jack's
October 26 2014 · 300-289-220
Perfect game · Incredible Mo's
September 30 2014 · 300-279-225
Perfect game · Lucky Jack's
January 26 2014 · 300-0-0
Perfect game · Incredible Mo's
December 10 2013 · 300-0-0
Perfect game · Lucky Jack's
September 10 2012 · 0-0-300
Perfect game · Mancelona Lanes
May 6 2012 · 300-0-0
Perfect game · Lucky Jack's
January 16 2012 · 300-0-0
Perfect game · Mancelona Lanes
January 25 2011 · 300-197-194

11 in a row

11 consecutive strikes · Mancelona Lanes
October 7 2012
11 consecutive strikes · Lucky Jack's
April 2 2012
11 consecutive strikes · Lucky Jack's
April 4 2011
11 consecutive strikes · Lucky Jack's
October 25 2010
11 consecutive strikes · Mancelona Lanes
October 19 2010
11 consecutive strikes · Lucky Jack's
September 20 2010
11 consecutive strikes · Airway Lanes
May 4 2008
Tournament history

Open Championships

Entering average 221 Based on 27 Open Championships games

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