Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Karl Reilin -  Karl Reilin (16 March 1874 – 18 January 1962) was a Finnish sports shooter. He competed at the 1908 Summer Olympics and the 1912 Summer Olympics.
A:
Athlete