Raisi won nearly 62 percent of the vote in Friday's election on turnout of 48.8 percent, after his most prominent rivals were either disqualified or pulled out of the race.
The vote Friday will choose a successor to Iran's moderate President Hassan Rouhani, who cannot run again now after serving two consecutive four-year terms, and who leaves office in August.
Around a dozen stops are planned over the next two months, in a sign that the former investment banker has an eye on regional elections on June 20 and 27, as well as his own personal political test next year.
Macron and Le Pen would easily qualify for the runoff after picking up about 25% each in the first round scheduled for April 2022, far ahead of other rivals. Macron would go on to defeat Le Pen with 53% of the votes versus 47%.
"Centre-left voters are disappointed, that's for sure," one minister, speaking on condition of anonymity, told Reuters.