Portland 10 Miler | 2025

Edward Payson Park

700 Baxter Blvd, 04103, Portland, ME, United States

Gray Matter Marketing

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Gray Matter Marketing was established in 2012 and has produced hundreds of lifestyle events and road races across New England; ranging from 5k’s to marathons and beer festivals.We are a small team dedicated to promoting a healthy lifestyle through charitably focused events that respect and showcase the beautiful communities across New England that we are so fortunate to call host cities — in particular our home, Aquidneck Island.CHARITABLE GIVINGA portion of the proceeds of each Gray Matter event goes towards charity, since 2012, the company has helped raise a combined total of over $1,500,000 in donations to dozens of local and national charitable organizations.