This is a free event, you just need to buy your own beers. If you want to ride but don't have a bike, Portland Encyclepedia will have rentals available for a $10 donation to benefit World Bicycle Relief.
Living in Maine means guests and visitors all summer, am I right? I think the 'guest room' was invented in Maine. With the warmer weather and sunshine (hopefully) coming, so will the family and friends. Time to clean up the guest room and get ready for company, but what to do...