Coming May 9, 2015. Groovy TrailblazerGirls, get your tie dye on and head to the 2015 Hippie Chick Quarter and Half Marathon! Held in Hillsboro, Oregon (just east of Portland), this all women’s event is the perfect race to celebrate Mother’s Day. It’s a nice tree-lined, paved course, followed by a pancake breakfast, complete with mimosas! Bring out your inner flower child and grab your headband for a fun day celebrating women.