Martin Keller is a track and field

Track and field

Track and field is a sport comprising various competitive athletic contests based around the activities of running, jumping and throwing. The name of the sport derives from the venue for the competitions: a stadium which features an oval running track surrounding a grassy area...

 sprint athlete

Sprint (race)

Sprints are short running events in athletics and track and field. Races over short distances are among the oldest running competitions. The first 13 editions of the Ancient Olympic Games featured only one event—the stadion race, which was a race from one end of the stadium to the other...

 who competes internationally for Germany

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

.

Keller represented Germany at the 2008 Summer Olympics

Germany at the 2008 Summer Olympics

Germany competed at the 2008 Summer Olympics in Beijing, People's Republic of China. A total of 439 athletes were nominated to participate in the Games...

 in Beijing

Beijing

Beijing , also known as Peking , is the capital of the People's Republic of China and one of the most populous cities in the world, with a population of 19,612,368 as of 2010. The city is the country's political, cultural, and educational center, and home to the headquarters for most of China's...

. He competed at the 4x100 metres relay together with Tobias Unger

Tobias Unger

Tobias Benjamin Unger is a German athlete, specialist in 100 m and 200 m. Unger is 1.79 metres tall, weighing 70 kilograms....

, Alexander Kosenkow

Alexander Kosenkow

Alexander Kosenkow or Aleksandr Kosenkov is a German sprinter who specializes in the 100 metres. He represents the sports club TV Wattenscheid....

 and Till Helmke

Till Helmke

Till Helmke is a male track and field sprint athlete who competes internationally for Germany.Helmke represented Germany at the 2008 Summer Olympics in Beijing. He competed at the 4x100 metres relay together with Tobias Unger, Alexander Kosenkow and Martin Keller...

. In their qualification heat they placed third behind Jamaica

Jamaica

Jamaica is an island nation of the Greater Antilles, in length, up to in width and 10,990 square kilometres in area. It is situated in the Caribbean Sea, about south of Cuba, and west of Hispaniola, the island harbouring the nation-states Haiti and the Dominican Republic...

 and Canada

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

, but in front of China

China

Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

. Their time of 38.93 was the sixth fastest out of sixteen participating nations in the first round and they qualified for the final. There they sprinted to a time of 38.58 seconds, which was the fifth time.