Career
Petrova had switched to competing for Ukraine when she was unable to land a spot on the Russian team She débuted on the World Cup circuit in 1992. Petrova ended her career in January 2008.
To become a youth coach in Ukraine.
Olympics
1998 - silver medal on the 15 km
World Championships
1996 - Silver medal in the Team event, bronze medal on the 15 km and on the relay
1997 - Bronze medal in the Team event
1999 - Silver medal on the mass-start
2000 - Bronze medal on the relay
2001 - Bronze medal on the relay
2003 - Silver medal on the sprint, and on the relay
2004 - Bronze medal on the 15 km.