In times long gone by, a popular event at town fairs and school sports days was the sack race.  The competitors would assemble at the starting line, each encased up to the waist in a burlap bag and gripping firmly onto its sides.  At the gun, they would hop furiously in the direction of the finish line, 100 yards ahead.  As a sporting contest, it lacked dramatic tension, with most of the competitors biting the dust in the first 50 yards.  But it was entertaining to speculate on which brave athlete would roll over first. 

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