She represented the sports clubs TSV Kirchhain and Eintracht Frankfurt, and became West German champion in 1988, 1989 and 1990. Her personal best time was 1:59.24 minutes, achieved in June 1991 in Helsinki.
|1988||European Indoor Championships||Budapest, Hungary||3rd||2:01.85|
|Olympic Games||Seoul, South Korea||semi-final||1:59.85|
|1989||European Indoor Championships||The Hague, Netherlands||5th||2:03.04|
|World Indoor Championships||Budapest, Hungary||5th||2:01.09|
|1990||European Championships||Split, Yugoslavia||semi-final||2:02.01|
|1991||World Indoor Championships||Seville, Spain||semi-final||2:02.68|
|Universiade||Sheffield, United Kingdom||2nd||2:00.97|
|1992||World Cup||Havana, Cuba||5th||2:03.66|
- Gaby Lesch Archived January 18, 2015, at the Wayback Machine. Sports Reference. Retrieved on 2015-01-18.
- West German championships, women's 800 m
- World women's all-time best 800m (last updated 2001)
- 1988 European Indoor Championships results, women's 800 m final - Die Leichtatletik-Statistik-Seite
- 1989 European Indoor Championships results, women's 800 m final - Die Leichtatletik-Statistik-Seite
- World Student Games (Universiade - Women) - GBR Athletics