BowlerProfiles
Ranking
Premier peak
USBC bowler profile

Dzintars Grinfelds

Decorated Bowler
5495-397 Bowling since 2001
×1 800 series ×6 300 games ×2 11 in a row
230+ peak 200+ career avg 2.5K games 5+ honors
Lifetime average 203.08 Across all recorded seasons
Lifetime games 2912 USBC-recorded games
Highest average 230 30 games
Career honors 9 Recognized achievements
What this profile flair means
Premier peak aura

The nameplate aura reflects a highest recorded league average of 230.

Decorated Bowler

Awarded for reaching at least five 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 2001. Sport and challenge conversions are summarized below.

Recent composite averages

2026 House
213 average · 90 games
2025 House
212 average · 84 games
2025 Sport
185 average · 109 games
2024 House
218 average · 111 games
2024 Sport
187 average · 69 games

League averages

2025-2026

Open Doubles 2025-26 · W
Data not found
Golobic Scratch Summer 2026 · S
Data not found
Golobic Scratch Trios (Winter 2025/26) · W
213 average · 90 games

2024-2025

16 Wild Weeks Fall 2024 · W
Data not found
Golobic Scratch Winter 2024/25 · W
212 average · 84 games
Golden Gate Classic 2024/25 Winter · W Sport
186 average · 69 games
Golden Gate Classic Summer 2025 · S Sport
182 average · 40 games

2023-2024

15 Wild Weeks Jubilee · S
Data not found
14 Wild Weeks · W
Data not found
15 Wild Weeks · W
Data not found
Golobic Scratch Classic Winter 2023-24 · W
220 average · 81 games
Golobic Scratch Summer 2024 · S
212 average · 30 games
Golden Gate Classic Winter 2023-24 · W Sport
187 average · 69 games

2022-2023

15 Wild Weeks(Fall)2022/2023 · W
218 average · 30 games
16 Wild Weeks Spring 2023 · W
215 average · 24 games
Golobic Scratch(W)2022/2023 · W
214 average · 84 games
14 Wild Weeks Summer · S
203 average · 21 games

2021-2022

22-23 14 WILD WEEKS · S
230 average · 30 games
21-22 Golobic Classic · W
218 average · 93 games
14 Wild Weeks (Winter) · W
212 average · 34 games

2020-2021

20-21 20 Wild Weeks · S
214 average · 51 games

2019-2020

19-20 15 Wild Weeks (Winter) · W
Data not found
Val Valencia Telco · W
206 average · 53 games

2018-2019

18-19 14 Wild Weeks (Summer) · S
206 average · 18 games
Val Valencia 2018-2019 · W
204 average · 72 games
18-19 14 Wild Weeks (Winter) · W
204 average · 30 games

2017-2018

17-18 14 Wild Weeks (Summer) · S
229 average · 30 games
Val Valencia Telco 2017-2018 · W
211 average · 75 games
17-18 14 Wild Weeks (Spring) · W
206 average · 12 games
Serra Vista Jubilee 2018 · S
198 average · 6 games
Golden Gate Open Summer 2018 · S Sport
173 average · 4 games

2016-2017

Val Valencia · W
209 average · 63 games
Golden Gate Open Summer 2017 · S Sport
185 average · 48 games

2015-2016

Val Valencia · W
208 average · 75 games

2014-2015

Val Valencia · W
206 average · 23 games
Golden Gate Open · W Sport
184 average · 4 games
Golden Gate Open · S Sport
179 average · 52 games

2013-2014

Golden Gate Open · S Sport
192 average · 36 games
Val Valencia Telco · W
185 average · 3 games
Golden Gate Open · W Sport
179 average · 120 games

2012-2013

Val Valencia Telco · W
197 average · 24 games
Golden Gate Sport Shot Challenge · S Sport
189 average · 52 games
Golden Gate Open · W Sport
180 average · 88 games

2011-2012

Val Valencia · W
209 average · 77 games
Val Valencia Summer · S
207 average · 27 games
Scratch Draft · W
206 average · 84 games
Golden Gate Inv Team USA Dbls · W
185 average · 24 games
Golden Gate Invitational · S Sport
177 average · 36 games

2010-2011

825 Scratch Match Point Summer 2011 · S
Data not found
Val Valencia · S
209 average · 33 games
Wednesday Niters · W
197 average · 65 games

2009-2010

Peninsula Cup 635 Trios 2009 · W
Data not found
Scratch Draft 2010 · S
195 average · 39 games

2008-2009

Jr Gold Pro Challenge Spr (Win 08)/Sea Bowl · W
216 average · 30 games
Jr Gold Pro Challenge Winter (Win 08)/Sea Bowl · W
207 average · 36 games
Jr Gold Challenge Fall II(Win 08)/Sea Bowl · W
201 average · 42 games
Bay Area Jr Travel League Gold(Win 08)/Sea Bowl · W
196 average · 30 games
Jr Gold Challenge (Win 08)/Sea Bowl · W
190 average · 42 games

2007-2008

Reno Junior Adult · S
Data not found
Bay Area Jr Travel League Gold (Win 07)/Sea Bowl · W
209 average · 30 games
Jr. Gold Pro Challenge (Win 07)/Sea Bowl · W
206 average · 40 games
Jr. Gold Pro Challenge Win 07-08 (Win 07)/Sea Bowl · W
206 average · 36 games
Jr. Gold Pro Challenge Spr 08 (Win 07)/Sea Bowl · W
196 average · 24 games

2006-2007

Reno Jr. Adult League/Sea Bowl · S
Data not found
Bay Area Jr Travel Gold (Win 06)/Sea Bowl · W
202 average · 24 games
Keith O All Stars (Win 06)/Classic Bowling Center · W
201 average · 48 games
Junior Pro Challenge (Win 06)/Sea Bowl · W
198 average · 72 games

2005-2006

Reno Junior Adult · S
Data not found
Daly City All Stars (Win 05)/Sea Bowl Entertainmet · W
181 average · 39 games
Daly City All Stars Scratch Doubles (Win 05)/Serra · W
181 average · 45 games

2004-2005

Bay Area Junior Travel League (Winter 04)/Albany · W
Data not found
Jr Pro Point (Sum 05)/Sea Bowl · S
Data not found
Junior Scratch Invitational (Winter 04)/Serra Bowl · W
182 average · 76 games

2003-2004

Reno Jr Adult (Sum 04)/Serra Bowl · S
Data not found
KO Jr.Masters (Winter 03) Classic Bowl · W
167 average · 33 games

2002-2003

Reno Junior Adult(Summer)/Serra Bowl · S
Data not found
Jr Scratch/Classic Bowling Center · W
166 average · 54 games
NFL Jr Adult/Serra Bowl · W
158 average · 36 games

2001-2002

Reno Junior Adult/Serra Bowl · S
Data not found
Homerun Jr Adult League/Sea Bowl · S
Data not found

2000-2001

Kool Kats/Sea Bowl · S
Data not found
Junior - Adult Scholarship League / Serra Bowl · S
Data not found
Classic Rollers/Classic Bowl · W
137 average · 72 games

Sport conversions

173→201
177→205
179→207
180→208
182→211
184→213
185→214
186→215
187→216
189→218
192→221
USBC standing

Memberships

Not currently active
Peninsula USBC Most recent
2025-08-01 — 2026-07-31
San Francisco USBC Past
2025-08-01 — 2026-07-31
Peninsula USBC Past
2024-08-01 — 2025-07-31
Peninsula USBC Past
2023-08-01 — 2024-07-31
Peninsula USBC Past
2022-08-01 — 2023-07-31
Peninsula USBC Past
2021-08-01 — 2022-07-31
Peninsula USBC Past
2020-08-01 — 2021-07-31
San Francisco USBC Past
2020-08-01 — 2021-07-31
Peninsula USBC Past
2019-08-01 — 2020-07-31
Peninsula USBC Past
2018-08-01 — 2019-07-31
San Francisco USBC Past
2018-08-01 — 2019-07-31
Peninsula USBC Past
2017-08-01 — 2018-07-31
San Francisco USBC Past
2017-08-01 — 2018-07-31
San Francisco USBC Past
2016-08-01 — 2017-07-31
San Francisco USBC Past
2015-08-01 — 2016-07-31
San Francisco USBC Past
2014-08-01 — 2015-07-31
San Francisco USBC Past
2014-08-01 — 2015-07-31
San Francisco USBC Past
2013-08-01 — 2014-07-31
San Francisco USBC Past
2012-08-01 — 2013-07-31
San Francisco USBC Past
2012-08-01 — 2013-07-31
San Francisco USBC Past
2011-08-01 — 2012-07-31
San Francisco USBC Past
2011-03-15 — 2012-07-31
Santa Cruz USBC Past
2010-08-01 — 2011-07-31
San Francisco USBC Past
2009-08-01 — 2010-07-31
IBC Youth HQ Past
2008-08-01 — 2009-07-31
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
Nor-Cal USBC Youth Past
2002-08-01 — 2003-07-31
Nor-Cal USBC Youth Past
2001-08-01 — 2002-07-31
Nor-Cal USBC Youth Past
2000-08-01 — 2001-07-31
Nor-Cal USBC Youth Past
1999-08-01 — 2000-07-31
Career milestones

Honors

0900 series
1800 series
6300 games
211 in a row

800 series

813 series · Sea Bowl
February 5 2019 · 234-300-279

300 games

Perfect game · Bel Mateo Bowl
June 5 2025 · 216-231-300
Perfect game · Classic Bowling Center
February 19 2023 · 194-300-242
Perfect game · Sea Bowl
February 5 2019 · 234-300-279
Perfect game · Sea Bowl
January 17 2017 · 156-211-300
Perfect game · Cloverleaf Family Bowl
May 30 2010 · 300-0-0
Perfect game · Delta Bowl
April 26 2009 · 300-0-0

11 in a row

11 consecutive strikes · National Bowling Stadium
October 11 2013
11 consecutive strikes · Sea Bowl
December 6 2008
Tournament history

Open Championships

Entering average 177 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.