The Messenger of Allah ﷺ performed Hajj on its own.
حدثنا عبد الله بن مسلمة القعنبي حدثنا مالك عن عبد الرحمن بن القاسم عن أبيه
أن رسول الله ﷺ أفرد الحج
No references are available.
Reference 6, Its authenticity was established, Muslim reported it in the Book of Hajj, Chapter on the Explanation of the Forms of ihram, Hadith 122/1211, from the hadith of Malik through this chain, and it is also found in Muwatta (Yahya): 335/1.