On October 7, a new marathon will run on the streets of Portland, Ore. Portlandathon, a marathon, half-marathon, 5-miler, and 4-mile walk, is organized by Run with Paula, a local race organizer with a well-earned outstanding reputation. Type “portlandmarathon.org” into your web browser and you’ll find a letter from the now-dissolved Portland Marathon Organization’s Board of Directors explaining how there is no “Portland Marathon” this year, extolling the race’s reputation as “The People’s Marathon” and…