presidential vote on Friday, an Iranian source told Reuters.
«The vote counting has ended and the rival candidates have been informed about the result. Pezeshkian is around three million votes ahead of his hardline rival Saeed Jalili,» said the source, who asked not to be named.
Earlier, the interior ministry said that Pezeshkian was leading the race in early results, adding that the initial reports showed turnout was around 50%, higher than the first round.
The run-off follows a June 28 ballot with historically low turnout, when over 60% of Iranian voters abstained from the snap election for a successor to Ebrahim Raisi, following his death in a helicopter crash.
The vote is a tight race between low-key lawmaker Pezeshkian, the sole moderate in the original field of four candidates, and hardline former nuclear negotiator Jalili, a staunch advocate of deepening ties with Russia and China.
Iran holds runoff presidential vote pitting hard-line former negotiator against reformist lawmaker
Videos on social media showed supporters of Pezeshkian dancing in streets in several cities and motorists honking car horns to cheer his victory.
People in the northwestern city of Urmia, Pezeshkian's hometown, were handing sweets out on the streets.
While the election is expected to have little impact on the Islamic Republic's policies, the president will be closely involved in selecting the successor to Ayatollah Ali Khamenei, Iran's 85-year-old Supreme Leader who calls all the shots on top matters of