Astafei won the 1987 European Junior title and cleared 2.00 metres to win the 1988 World Junior title. At the 1988 Seoul Olympics, she finished equal fifth in the final with 1.93 metres. Her biggest success for her native Romania was when winning the silver medal at the 1992 Olympic Games in Barcelona, Spain, where she cleared 2.00 m. On 9 January 1995, Astafei left the Romania track and field association and attained German citizenship on 1 March 1995. She won the 1995 World indoor title in Barcelona with a clearance of 2.01 m, before going on to clear 1.99 m to win the silver medal at the 1995 World Championships in Gothenburg, behind Stefka Kostadinova. At her third Olympic Games in 1996, she finished equal fifth with 1.96 m. Her outdoor personal best of 2.01 metres was set in 1995, while she set her indoor best of 2.04 m, earlier the same year. She became German champion in 1995, 1996, 1998 and 2001 as well as German indoor champion in 1995, 1996, 1997 and 1998. She represented the clubs USC Mainz and MTG Mannheim.
Achievements
In the list the results until 1994 for Romania.
1986, Junior World championship: 2nd place
1987, Junior European championship: 1st place
1988, Olympic Games: 5th place ; Junior World championship: 1st place
1992, Olympic Games: 2nd place ; World Cup final: 2nd place
1993, World championship: 4th place ; Europa Cup final: 1st place
1995, World championship: 2nd place ; Europa Cup final: 1st place
1996, Olympic Games : 5th place ; Europa Cup final: 1st place
1997, World championship: 3rd place
1998, European championship: 3rd place ; World Cup final: 6th place ; Europa Cup final: 2nd place
2001, Europa Cup final: 1st place
Personal life
Astafei’s father is the former Romanian pole vaulter Petre Astafei Sr. Her brother Petre Jr. was a rugby player; he died aged 22 during the 1989 Romanian Revolution. Astafei was married to the Romanian national volleyball player Alin Stavariu, but they divorced before 1995. On 1 March 1995 she obtained German citizenship and later changed her name from Galina to Alina. In Germany she married high jumperWolfgang Kreißig. She has four children, three with Kreißig and one from the previous marriage.