Summit USRA Weekly Racing Series 5/7/17

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Summit USRA Weekly Racing Series feature winners and action shots from the Mason City Motor Speedway in Mason City, Iowa, on Sunday, May 7, 2017.


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  • Mailing Address:
    3700 4th St. SW
    Mason City, IA 50401

    Phone Numbers:
    Business: (641) 424-6515
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