Choose to donate, or bring some Nag Champa incense to share, and please try not to eat beforehand. Any bodily function noises will echo throughout the cathedral.

This trail loops around Lake Union, and takes you through Gas Works Park, into thirty-five pocket parks, and around many charming neighborhoods. You can even guide yourself with the Observing Lake Union audio tour that includes artwork surrounding Lake Union.

Work out with yourself, a random old man, or your imaginary friends on outdoor fitness equipment designed to withstand bodies of all sizes. Who needs a fancy gym when you can walk on air outdoors?

Admit it, you've always wanted to be that bad ass French guy leaping, jumping, falling, sliding, tumbling, flipping, and skipping all over the city. You won't know if you're as good as he is until you try. Don't hurt yourself. A good place to start is right outside SAM.

Books? A free internal Chinese martial art class every Saturday? Maybe some coffee? There's beer too? You are in heaven.

Unfortunately, Crossfit is just too popular and amazing to be consecutively free, but you can try a free class at many gyms around Seattle. Are you going to become Crossfit obsessed now?

Every Monday night, meet up with other social runners at all pace levels. These people care about you, and will help you be less fat and not so drunk.

Once a month, Lululemon hosts a free class. Mark your calendar so you can show off those new $100 yoga pants you wear everyday, but please don't forget to wash them.