May 3 May 3 Portland Tweed Ride Morgan Stone Grether Event For the seventh year, about a hundred bicyclists dress in their finest tweed and ride together through downtown Portland, Oregon. It's all in good fun... and good style. Learn more at the Portland Tweed Ride's website. (More at the Oregonian as well.)The start of the 2016 Portland Tweed Ride in Chapman Square in downtown. Filmed on the iPhone by Morgan Stone Grether.