The 2010 PDX Adult Soapbox Derby takes place Saturday, August 14 at Mount Tabor.

The 2010 roster includes 42 teams, divided into two categories: art, and science.

The races begin at 10am, and should complete around 4pm. Watch from one of the designated viewing areas (see map – pdf), one option is the BYOB beer garden.

In the evening participants and fans are invited to the Tonic Lounge (3100 NE Sandy) for the after party. Awards will be handed out at 8pm, and at 9pm the music starts. The lineup: Muddy River Nightmare Band, Punk Rock Collective, Hogwild, and Pistol Killers.

Visit SoapboxRacer.com for more details, including FAQs, how you can volunteer, and galleries of past events and winners.

The video below will give you an idea of the sense of humor and surprising artistry and craftsmanship of the entries:

Related posts:

1. August 22-23: Adult Soap Box Derby, Montavilla Brewfest, and the Timbers
2. July 29-August 1: Beer, Back Fence PDX, Pinball, and a Street Fair
3. July 24: Division / Clinton Street Fair and Parade 2010
4. August 7: Obonfest 2010
5. August 6-8: The Bite of Oregon 2010