Maybe this will go down in the history books as one of the bigger accomplishments in Seattle’s tech industry. Well, let’s hope not. On Sunday afternoon, Seattle startup Cozi set a Guinness World Record for the longest line of rubber ducks. Why?

We’re still trying to figure that out.

The line — formed in Seattle’s Magnuson Park — stretched for one mile and included 17,782 tiny yellow rubber ducks. Orchestrated by the family calendar startup Cozi, the PR stunt supposedly was created to encourage “all families to get their own ducks in a row.” It is part of a larger marketing campaign that the startup is running this summer, which now moves into the “lucky duck” photo contest. Winners will be chosen this summer after snapping photos of themselves and the rubber ducks at locations around the globe.

Guinness World Record adjudicator Kimberley Patrick made it official at about 1 p.m.

“Not only was it beautiful and amazing to see thousands of ducks in a row, it was great to see so many families working together to achieve a Guinness World Record,” said Partrick after certifying the record.

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