She won a gold medal in the relay event at the 1995 World Orienteering Championships in Detmold, finished 4th in 1997, received a silver medal in 1999, and another gold medal in Tampere in 2001 with the Finnish relay team. She finished 6th in the classic course in 1999. She received an individual bronze medal in the classic course in Tampere in 2001, and finished 5th in the sprint and 5th in the short course.
She finished 9th overall in the World cup 1994, 15th in 1996, 4th in 1998, and 7th in 2000.
- World Orienteering Championship, senior statistics 1966-2006 Archived 2008-06-18 at the Wayback Machine (Retrieved on June 25, 2008)
- Reeta-Mari Kolkkala at World of O