Irina Nikolayevna Timofeyeva (Russian: Ирина Николаевна Тимофеева; born 5 April 1970) is a Russian former long-distance runner who specialized in running the marathon.
She won the Singapore Marathon in 2005 and the Paris Marathon in 2006. She ran for Russia at the 2008 Summer Olympics, placing seventh in the marathon race. She won the Nagano Olympic Commemorative Marathon in 2009.
She was banned from the sport for two years, starting 6 September 2016, due to abnormalities in her biological passport.
List of doping cases in athletics
Irina Timofeyeva at World Athletics