And yet, thousands of fighting-fit enthusiasts take it up every year, although, unlike Jane Tomlinson, most choose to follow the route from Land's End upwards so the prevailing south-westerly winds are behind them.
I know that when I go to my local Sainsbury's I can get whatever I need, I will be treated with efficiency, courtesy and respect, and if I have a problem they will do something about it and not take it as a personal insult - unlike too many small shopkeepers in my encounters who have been lazy, surly and seemingly indifferent as to whether their customers come back or not.
And far from seeking dissolution, these groups take their connectivity very seriously, unlike federal governments who may either abuse it or take it for granted.
Roberts's father Ray took it well, unlike his mother, who was angry.
Kevin Reilly, Fox's chairman of entertainment, on Thursday called it a "risk well worth taking — it's a conceptual blast unlike anything else on television and it all holds together with inventive writing and a fantastic cast".
The scale of this kidnapping, with some reports that as many as 300 girls were taken, makes it unlike anything seen so far in northern Nigeria, or anywhere else.
"Y'all better take care of it, unlike what's been happening with Rare," a third warned.
No single person or culture will lead the way, it will take a collaboration unlike anything we have ever seen before.
If it is the Higgs, it takes a form unlike those on the long list of variants physicists have dreamt up.
