The World Championship Sardine Packing Contest was launched in 1970 in Rockland, Maine. But by 1990 the contest had fizzled out, due largely to an inability to find anyone willing to compete in it. This reflected the decline of the sardine packing industry in the region, as well a shift to mechanization.
Five-time champion Rita Willey became known as “the Mahammad Ali of all sardine packers.” There’s an exhibit honoring her in the Maine Coast Sardine History Museum. According to the museum:
Evidently there must still be sardine packing contests held on occasion, though no longer in Rockland. The video below shows a 2005 contest sponsored by the Canadian firm Connors.