Seattle celebrates a very special Pi Day

Seattle celebrates a very special Pi Day
Melissa Brown and Steven Chau run while dressed as slices of pie during the Pi Day Dash at Magnuson Park. Hundreds of people competed in the 3.14 mile race, ate pie, competed in a pie-eating contest and threw whipped cream pies at their friends. The race started at 9:26, on March 14th, or 3/14/15 9:26. The first number of the mathematical constant Pi are 3.1415926... The event raised money for the Leukemia & Lymphoma Society. Photographed on Pi Day, Saturday, March 14, 2015. (Joshua Trujillo,

SEATTLE — Saturday, March 14, 2015 was a very special Pi Day -- one that occurs only once a century.

The date contained the first five digits of Pi -- 3/14/15.

Pi represents the ratio of the circumference of a circle to the circle’s diameter.

Content Continues Below

Many Washington State residents celebrated in the kitchen -- baking delicious-looking and often inventive pies. SEE PHOTO GALLERY

The Seattle P.I. attended events throughout the Seattle area, where people gathered to celebrate math, running and pies!

‘Seattle loves math,’ wrote Josh Trujillo -- with the Seattle P.I. ‘And our city also seems to love any reason to get out and run. Saturday’s Pi Day Dash, a fundraiser for the Leukemia & Lymphoma Society, brought hundreds of people to Magnuson Park to compete, eat pie -- and eventually throw pies. The 3.14 mile race wound through the park and celebrated the mathematical constant of Pi, or 3.1415926…’

How did YOU celebrate #PiDay2015? Join the conversation on social media. Watch free streaming video on the KIRO 7 mobile app and iPad app, and join us here on Facebook.