The Mercedes driver is the most successful driver of the current generation around the Circuit Gilles Villeneuve with six wins to his name, just one shy of the record held by Michael Schumacher.
"Naturally I am still here to win but as I said if they've got upgrades on their engines which can be a tenth to two tenths - Ferrari are particularly very strong on the straights, it will be interesting to see whether we're able to match them or not". Looking back at where I was past year.
The race for the points by Force India's Paul Di Resta and Ferrari's Felipe Massa were undoubtedly one of the highlights of the race.
Russian rookie Sergey Sirotkin (Williams) is the only driver on the starting grid yet to score a point in his career.
The Briton can also beat the record he now shares with Schumacher of six poles in Montreal.
It was also the site of his first Formula 1 win in 2007 and he has dominated in each of the past three years, making him the modern day master of Montreal. Raikkonen shares the record for fastest laps in Canada (four) with Schumacher.More news: Is marijuana legal in Canada, after Cannabis Act passed crucial Senate vote?
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Even a member of the city Council of Toronto could not resist and took part in the action, writing: "Montreal looks familiar...".
Red Bull driver Max Verstappen, of Netherlands, left, chats with a team member at the Formula One Canadian Grand Prix auto race in Montreal, Friday, June 8, 2018.
A spokesman said the engine to be raced in Montreal was not being asked to do more miles than intended - it had originally been scheduled to be used again at the Hungarian Grand Prix at the end of July.
An opening lap crash at turn three involving three cars brought out the only safety auto of the race, but otherwise, the race was as straightforward a race as it could be for Hamilton and Mercedes.
It will be a memorable weekend also for two-time champion Fernando Alonso, who is entered for his 300th Grand Prix and, potentially, his 298th start.
Canadian Lance Stroll scored his first points in F1 in Canada past year.