Leagues
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USBC has data for Stephen D McEachran starting from 2003.
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Tri-City 975 Scratch (W) - data not found
Dublin785 Majors (W) - data not found
Bowlers Experience.-Markstein 635 Scratch Tr (W) - data not found
PBA Experience (W) - data not found
2024-2025
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Sutherland Tax Service.-Markstein Sales Scratch Tr (W) - 225 over 90 games
PBA Experience (W) - 181 over 84 games
Sport Shot Trios (S) - 175 over 30 games
PBA Experience (S) - 161 over 33 games
2023-2024
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Amtec Ind.-Markstein Sales Trios (W) - 225 over 90 games
Lucky Leprechauns (S) - 208 over 36 games
PBA Experience (W) - 205 over 87 games
PBA Experience (S) - 188 over 30 games
2022-2023
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Amtec Ind.-Markstein Sales Trios (W) - data not found
Scratch Draft Trios (S) - 230 over 44 games
AMF Thursday 815 Scratch (W) - 220 over 93 games
PBA Experience (S) - 203 over 39 games
PBA Experience (W) - 203 over 96 games
2021-2022
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PBA Experience (S) - data not found
Amtec Ind.-Markstein Sales Trios (W) - 221 over 78 games
Lucky Leprechauns (S) - 219 over 33 games
AMF Scratch 820 (W) - 215 over 21 games
2020-2021
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Amtec Ind.-Markstein Sales Co. Trios 2021 (S) - 217 over 36 games
2019-2020
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Black Oak Trios (W) - 214 over 9 games
Bay Alarm 815 (W) - 207 over 12 games
Five Stars (W) - 201 over 63 games
2018-2019
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Black Oak Trios W-17-18 (W) - 229 over 57 games
Bay Alarm 810 Scratch (W) - 223 over 3 games
Bay Alarm 430 Doubles (S) - 206 over 4 games
2017-2018
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Bay Alarm 430 Doubles (S) - 240 over 8 games
Black Oak Trios W-17-18 (W) - 222 over 105 games
P B A Exp. Wtr. (W) - 194 over 63 games
2016-2017
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610 Showcase (W) - 234 over 108 games
P B A - Experience (W) - 192 over 75 games
2015-2016
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Singles Sport Challenge (W) - data not found
Twisted Trios (W) - 228 over 15 games
810 Showcase (W) - 214 over 102 games
2014-2015
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Tri-City 985 Scratch (W) - 220 over 93 games
810 Doubles Showcase (W) - 216 over 96 games
2013-2014
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Singles Challenge III (S) - data not found
615 Scratch Trios (S) - 231 over 4 games
Tri-City 985 Scratch (W) - 225 over 93 games
810 Showcase Invitational (W) - 220 over 90 games
Twisted Trios (W) - 220 over 9 games
Summer Twisted Trios (S) - 207 over 39 games
2012-2013
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810 Showcase Invitational (W) - 212 over 93 games
Summer PBA Experience (S) - 178 over 52 games
2008-2009
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S2009 Reno Jr/Adult / Diablo Lanes (S) - data not found
S'09 Jr/Ad PBA Scratch Trios/Diablo Lanes (S) - data not found
Junior/Adult 580 ScratchTrios (W) - 174 over 96 games
2007-2008
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Summer 08/600junior/Adult Scratch (S) - data not found
600 Jr/Ad PBA Experience/Diablo Lanes (S) - data not found
Bay Area Jr Travel League Gold (Win 07)/Sea Bowl (W) - 183 over 30 games
600 Junior/Adult Trios (W) - 174 over 96 games
2006-2007
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Jr/Adult 600 Trios PBA Exp (Win 06)/Diablo Lanes (S) - data not found
600 Junior Adult Scratch/Diablo Lanes (S) - data not found
400 Junior - Adult Scratch (Win 06)/Diablo Lanes (W) - 169 over 90 games
2005-2006
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Reno Jr Adult (Sum 06)/Diablo Lanes (S) - data not found
Jr Adult Classic (Win 05)/Diablo Lanes (W) - 158 over 75 games
2004-2005
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Reno Jr Adult (Sum 05)/Diablo Lanes (S) - data not found
Jr-Adult Classics (Winter 04)/Diablo Lanes (W) - 143 over 75 games
2003-2004
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Reno Jr Adult (Sum 04)/Diablo Lanes (S) - data not found
Junior-Adult Classic (Winter 03)/Diablo Lanes (W) - 118 over 66 games
2002-2003
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Junior And Adult Classic/Diablo Lanes (S) - data not found
Junior Adult Classic/Diablo Lanes (W) - 104 over 63 games
Sport Conversions
161 -> 186
178 -> 206
181 -> 210
188 -> 217
192 -> 221
203 -> 231
205 -> 233
Challenge Conversions
175 -> 189
Sport/Challenge average conversions are located at the bottom of the page.
Recent Composite Averages
2025: 225 over 90 games (House)2025: 175 over 117 games (Sport)
2025: 175 over 30 games (Challenge)
2024: 220 over 126 games (House)
2024: 201 over 117 games (Sport)