[1] Egor Kornev was born on 6 February 2004 in St. Petersburg.

3 in Kalininsky district of St. Petersburg with Margarita Perova and Larisa Dvorak.

After graduating from primary school he moved to SSOR Ekran to Elena Kuznetsova and Olga Baidalova.

[4] He won the All-Russian Swimming Federation award (2023) in the category "Discovery of the Year".

On 15 December at the World Short Course Championships in Budapest, as a member of the men's team, he won the combined 4×100 metre relay with a world record.