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Jun 4 2023: Mark Pfeiffer places 41st at the Men 55-59 Masters Race at the South Mountain Cycle & Cafe in a group sprint
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May 30 2023: Mark Pfeiffer places 55th at the Men Master 55+ Race at the 78th Tour of Somerville in a field sprint
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May 21 2023: Mark Pfeiffer places 45th at the Men 55-59 Masters Race at the Kitchen Road Criterium in a field sprint
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May 7 2023: Mark Pfeiffer places 37th at the Men 55-59 Masters Race at the Emrick Boulevard Criterium P/B QCW in a field sprint
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May 7 2023: Mark Pfeiffer places 58th at the Men 45-49 Masters Race at the Emrick Boulevard Criterium P/B QCW in a group sprint
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Aug 14 2022: Mark Pfeiffer places 29th at the Men 55-59 Masters Race at the Bigfoot Endurance for Parkinson's Research in a breakaway
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Aug 7 2022: Mark Pfeiffer places 45th at the Men 45-49 Masters Race at the Piscitello Law Criterium in a group sprint
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Jun 26 2022: Mark Pfeiffer places 44th at the Men 45+ Cat 1/2/3/4 Race at the Meridian Bank Great Valley Criterium in a field sprint
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Jun 26 2022: Mark Pfeiffer places 31st at the Men 55-64 Cat 1/2/3/4 Race at the Meridian Bank Great Valley Criterium in a field sprint
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Jun 5 2022: Mark Pfeiffer places 30th at the Men 55-59 Masters Race at the South Mountain Cycle & Cafe Criterium in a field sprint