It is narrated from Sayyiduna Fadl bin Abbas (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) continued reciting the Talbiyah until he stoned Jamrat al-Aqabah; he threw seven pebbles at it, saying the Takbir with each pebble.
Hadith Referenceالمعجم الكبير للطبراني / باب الفاء / 15763