PCC Natural Markets Seafair Milk Carton Derby
Date(s): Saturday, July 12, 2014
Location: Green Lake
Time: 9:30 a.m. - 4 p.m.

The 44th Annual PCC Natural Markets Seafair Milk Carton Derby will take place on Saturday, July 12! Nearly 100 colorful milk carton boats of all shapes and design will compete on the waters of Green Lake for fantastic prizes and bragging rights. The Derby is highlighted by a full day of "competition" as children, adults, families and businesses build milk carton watercraft for show and racing.

CLICK HERE to register!


Racing - Free to Enter
Any craft whose design and intent is primarily speed like kayaks, surfboards and racing type catamarans will be placed in this category. This race has two sub-categories:
Youth ages 8-13
Adult ages 14 and up

Open - Free to Enter
Any style entry other than racing, military or commercial. This category is for entries where design took precedence over speed in the construction. It is still however a race to the finish. This race has three sub-categories:
Youth ages 8-13
Adult ages 14 and up
Family - kids up to age 13 with at least one adult

Military - Free to Enter

A special category for our military community, at least one crew member of the milk carton craft must be active duty military.
-A trophy for one year display will be awarded to the military race winner.
-A prize will be awarded to the military race entry judged to have the best design.

Groups & Commercial - $250 Entry Fee
This category is for groups & commercial entries. A $250 entry gives your group or company the opportunity to race with a company name, logo or slogan on your vessel. Take the challenge and race to glory on the formidable waters of Seattle’s Green Lake. A minimum of 100 half-gallon cartons or their equivalent is required. This category is not eligible for Showboat or other major prize drawings. Entries must meet the conditions of the Open Category. Each group/commercial participant will receive an official Milk Carton Derby T-shirt. 


-The Overall Winner in this category will be awarded a Sounders FC Suite to accommodate 16 guests plus 4 parking passes!
-Winner in this category for Best Design receives 4 one-day passes to Seafair Weekend featuring the Albert Lee Appliance Seafair Cup & the Boeing Seafair Air Show with the U.S. Navy Blue Angle!

For more information about the Milk Carton Derby and to find out how easy it is to build a boat, please visit our Registration Page.

CLICK HERE for the 2014 Boat Building Guide.

Schedule of Events*
8:00 a.m. – Registration and Inspection Opens for all events
9:30 a.m. – National Anthem

Morning Races
9:30 a.m. – ZICO Seafair SUP Advanced & Novice Race
10:15 a.m. – PCC Natural Markets Seafair MCD Open Category
10:45 a.m. – ZICO Seafair Team Relay
11:00 a.m. – PCC Natural Markets Seafair MCD Racing Category
11:30 a.m. – PCC Natural Markets Seafair MCD Group/Commercial Category
12:00 p.m. – Kid’s Programming – Moo’ing & Hula Hoop Contests
Afternoon Races
12:30 p.m. – Parade of Boats for Showboat Award Judging (non-racing)
12:45 p.m. – ArtsFund Team Challenge Boat Build Begins
1:00 p.m. – PCC Natural Markets Seafair Military Challenge
1:15 p.m. – PCC Natural Markets Seafair 3-D Printing Category
1:45 p.m. – ArtsFund Team Challenge Race
2:00 p.m. – PCC Natural Markets Seafair MCD Racing & Open Category FINALS
2:45 p.m. – Group Health Seafair “Battle for the Paddle”
3:30 p.m. – Awards Ceremony at the PCC Natural Markets Seafair Award Stage
*All times subject to change

Award Categories

ArtsFund Celebrates Creativity: Set your imagination afloat!


Follow your inspiration and showcase your creativity!    The ArtsFund Celebrates Creativity Award highlights our community’s innovation and artistry.  Follow your creative impulses as you design your boat, and share the story of the inspiration behind your craft with our judges. Set your imagination afloat! All entrants in the Youth, Showboat and Military Categories are eligible for the ArtsFund Celebrates Creativity Award. 

Prizing will be awarded in 3 sub-categories – Youth, General and Military – and will include four tickets to:  Seattle Children’s Theatre (Youth), 5th Avenue Theatre (General), and Earshot Jazz (Military).

ArtsFund strengthens the community by supporting the arts through leadership, advocacy and grant making.  Join us in celebrating creativity at the Milk Carton Derby!

Please Support our Charity Partners

Seafair Foundation Seafair has been uniting our community and celebrating summer together for 65 years...did you know the Seafair Foundation works year round to better the quality of life and ensure the future of the Greater Puget Sound? From youth education to health initiatives, scholarships to cultural and arts engagement, we're passionate about fostering a thriving Seattle. To find out how you can make a difference, visit

About PCC Natural Markets

PCC Natural Markets began as a food-buying club of 15 families in 1953. Today, it's the largest consumer-owned natural food retail co-operative in the United States. PCC has nine stores in the Puget Sound region and is owned by nearly 49,000 members who shop (along with thousands of non-members) in our neighborhood locations and value our commitment to: preserving high-quality food standards, supporting local, sustainable agriculture, celebrating food, educating consumers, embracing sustainability and building community.

About Group Health Cooperative

Group Health is a member-governed, nonprofit health care system that coordinates care and coverage to more than 600,000 residents throughout Washington state. Group Health advances health in the community through its medical education, charitable foundation, and nationally recognized research institute. We are proud to support our local Seafair celebration and encourage you to get involved in this family friendly day of activities out on the water. Be safe and see you out there! For more information about Group Health, visit and

Special Thank You

The Seafair Boat Club includes more than 2,000 volunteers that support the water-oriented activities of Seafair. The club oversees water activities and safety at the Seafair Milk Carton Derby, Seafair Weekend Featuring the Albert Lee Cup & Boeing Air Show and the Seafair & 76 Special Holiday Cruise. CLICK HERE to learn more about the Seafair Boat Club.