First question that comes to mind for me : is the course roughly the same as the 1968 one when Vittorio Adorni was World Champion?
no it's not, la Flamme Rouge has profiles for (almost?) all World Championships:
1968:
https://www.la-flamme-rouge.eu/maps/viewtrack/1688232020:
https://www.la-flamme-rouge.eu/maps/viewtrack/380612So in 1968 they were using a circuit over the Tre Monti climb (like also in the Giro 2015, for example), this year it's a larger one, going over two different climbs. Just the first and final couple of kilometers are the same.
