Grandma's Marathon is listed under the Amateur Sports Promotion category (which is under the following categories: Associations Non Profits -> Membership Organizations, NEC).
They are listed as being a B2C (business to consumer) company.
Grandma's Marathon was founded in 1987.
They are located at 351 Canal Park Drive # 2 in Duluth, Minnesota.
Mobile and regular directions can be viewed below as well as their phone number, ratings, website (when listed).
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