Anna Tkach
Anna Tkach is a retired Russian-born Israeli sprinter who specialized in the 400 metres.
Tkach is Jewish, and was a Russian citizen until 2003 when she changed nationality to Israel. She competed for her new country in the 400 metres at the 2003 World Championships, reaching the semi-final. She also competed in the 4 x 400 metres relay.
Her personal best times were 11.45 seconds in the 100 metres, achieved in June 1999 in Moscow; 23.07 seconds in the 200 metres, achieved in June 1999 in Moscow; and 50.67 seconds in the 400 metres, achieved in July 2000 in Tula. She also holds the current Israeli record in the 400 metres at 52.06.