in more recent years yes I fear - some of the macho racing crowd.
But only a few.
And wasn't always so.
Still worth doing.
And you don't of course have to race with the folk after their personal best - let them leave first and you will never see them - you can just breeze along taking your time.
2yrs ago I rode to Dunwich and back from home, joining the route nr Finchingfield.Stopped to refuel a couple of times and after a short nap I headed back (slightly different route). Had a few gear problems on the way but made it home with 220miles on the clock.
I'll decide on the day if I go