Image: Colin Bell
As its website proclaims, there's really no other point to the March March march other than to justify its name:
The March March march is a long, flat, pointless walk across the Fens from the town of March to Cambridge, a distance of about thirty miles. It takes place, of course, in March, often but not always on the last Saturday in March. It has no purpose other than to be called the March March march. It was invented by Jonathan Partington in 1979, apparently because it seemed like a good idea at the time.
The March March march is organised by an official known as the Custos Martis. The current Custos Martis is James Yardley, who has been trying to resign for several years.