person 1: that was a fun donut run yesterday  person 2: i feel bad for the person that has to clean that mess up
a 4x400 meter race in which every time you get to the 400m mark you stop and eat a donut
"person 1: that was a fun donut run yesterday  person 2: i feel bad for the person that has to clean that mess up" What is the definition of "donut run"?