Visiting tourists expressed surprise at the intense atmosphere. Gil Hawkins Jr., an F1 attendee from Connecticut, said, "I don't know how everybody's going to survive."
He added that local hockey enthusiasm added an unexpected dynamic to his trip.
Local vendors reported that the dual events created a broader community celebration. Germain Goyer, a pop-up shop operator near Crescent Street, said, "It's a massive event.
It goes beyond just a sports competition."
Regional interest intensified on Friday when Quebec Premier Christine Frechette officially designated racing legend Gilles Villeneuve a historic figure of Quebec.
The honor places him alongside Canadiens hockey icon Maurice Richard.
Montreal-born F1 driver Lance Stroll acknowledged the dominant footprint of the NHL playoffs. "I think everyone's much more excited about the hockey than the Formula 1," he said.
"That's the truth."
Following the weekend race, vendors will disassemble downtown pop-up displays on Monday.
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The Canadian Grand Prix events will wrap up as scheduled, while the Montreal Canadiens continue their postseason playoff run.
