Gloria Siebert, née Kovarik, divorced Uibel (born 13 January 1964 in Ortrand

Ortrand

Ortrand is a town in the Oberspreewald-Lausitz district, in southern Brandenburg, Germany. It is situated 24 km southwest of Senftenberg, and 36 km north of Dresden....

, Brandenburg

Brandenburg

Brandenburg is one of the sixteen federal-states of Germany. It lies in the east of the country and is one of the new federal states that were re-created in 1990 upon the reunification of the former West Germany and East Germany. The capital is Potsdam...

) is a retired East German hurdler

100 metres hurdles

The 100 m hurdles are an Olympic track and field athletics discipline run by women . For the race ten hurdles of a height of 83.8 cm are placed evenly spaced along a straight course of 100 meters. They are positioned so that they will fall over if bumped into by the runner...

.

She won the silver medal in the 100 metres hurdles

Athletics at the 1988 Summer Olympics - Women's 100 metre hurdles

The Women's 100 metres Hurdles at the 1988 Summer Olympics in Seoul, South Korea had an entrylist of 37 competitors, with five qualifying heats , three second-rounds and two semifinals before the final took place on Friday September 30, 1988.-Records:These were the standing World and Olympic...

 at the 1988 Summer Olympics

1988 Summer Olympics

The 1988 Summer Olympics, officially known as the Games of the XXIV Olympiad, were an all international multi-sport events celebrated from September 17 to October 2, 1988 in Seoul, South Korea. They were the second summer Olympic Games to be held in Asia and the first since the 1964 Summer Olympics...

 in Seoul

Seoul

Seoul , officially the Seoul Special City, is the capital and largest metropolis of South Korea. A megacity with a population of over 10 million, it is the largest city proper in the OECD developed world...

. She also won silver medals at the 1981 European Junior Championships, the 1987 European Indoor Championships

1987 European Indoor Championships in Athletics

The 18th European Athletics Indoor Championships were held at Stade Couvert Régional in Liévin, a city in France, in 1987.-Track:-Field:-Medal table:-External links:* at GBRathletics.com* at GBRathletics.com*...

, the 1987 World Championships

1987 World Championships in Athletics

The 2nd World Championships in Athletics under the auspices of the International Association of Athletics Federations were held in the Stadio Olimpico in Rome, Italy between August 28 and September 6, 1987.-Track:1983 | 1987 | 1991 | 1993 | 1995...

 and the 1990 European Championships

1990 European Championships in Athletics - Women's 100 metre hurdles

These are the official results of the Women's 100 metres hurdles event at the 1990 European Championships in Split, Yugoslavia.-Final:-Semifinals:-See also:* 1988 Women's Olympic 100m Hurdles...

. Her result at the 1987 World Championships was 12.44 seconds, a career best time. This ranks her second among German 100 m hurdlers, only behind Bettine Jahn

Bettine Jahn

Bettine Jahn née Gartz is an East German former athlete. She won the 100-meter hurdles at the 1983 World Championship in Helsinki. She is still the German record holder on that distance with 12.42 s....

.

She competed for the sports club SC Cottbus during her active career, and became East German champion in 1987 and 1990 (100 metres hurdles) and 1984 (400 metres hurdles).

Her son Sebastian Siebert is also a hurdler.