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Oct 23 2022: Bill Marciniak places 11th at the Men 60-64 Race at the 2022 USA Cycling Marathon Mountain Bike National Championships
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Jul 20 2022: Bill Marciniak places 13th at the Men 60-64 Cat 1/2/3 Race at the USA Cycling Mountain Bike National Championships
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Oct 23 2021: Bill Marciniak places 7th at the 55-59 Men Race at the 2021 USA Cycling Marathon Mountain Bike National Championship