Leagues
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USBC has data for Michael Duncan starting from 2016.
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Coconut Classic (W) - data not found
2024-2025
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Wild Nascar (W) - 237 over 36 games
Silver Legacy (W) - 205 over 6 games
2023-2024
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Standard Youth Membership (W) - data not found
High Desert Interscholastic Bowling Prog (W) - 215 over 21 games
Jr Gold (W) - 190 over 48 games
2022-2023
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King/Queen of the Hill (W) - data not found
High Desert Interscholastic Bowling Prog (W) - 245 over 15 games
GSR Majors (W) - 190 over 40 games
2021-2022
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GSR Majors (W) - 184 over 73 games
2020-2021
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GSR - Majors (W) - 200 over 79 games
2019-2020
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GSR Superstars (W) - 191 over 56 games
2018-2019
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Generation Gap Doubles (S) - 175 over 24 games
Northern Nevada Jr Gold (W) - 158 over 48 games
2017-2018
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WIC Strike Zone Jr. Gold (W) - 141 over 46 games
2016-2017
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Generation Gap Doubles (S) - 130 over 39 games
WIC Inbetweeners (W) - 120 over 24 games
Rad Rollers (W) - 114 over 39 games
2015-2016
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Generation Gap (S) - 119 over 21 games
Rad Rollers (W) - 98 over 90 games
Sport Conversions
141 -> 159
158 -> 182
184 -> 213
190 -> 219
Challenge Conversions
205 -> 219
Sport/Challenge average conversions are located at the bottom of the page.
Recent Composite Averages
2025: 237 over 36 games (House)2025: 205 over 6 games (Challenge)
2024: 215 over 21 games (House)
2024: 190 over 48 games (Sport)
2023: 205 over 55 games (House)