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| show-medals=yes | medaltemplates = 〔Teammate Antonio Pettigrew later admitted to using performance-enhancing drugs and the International Olympic Committee disqualified the team.〕 〔Teammate Antonio Pettigrew later admitted to using performance-enhancing drugs and the IAAF disqualified the team.〕 | module = }} Michael Duane Johnson (born September 13, 1967) is a retired American sprinter. He won four Olympic gold medals and eight World Championships gold medals.〔 Johnson currently holds the world and Olympic records in the 400 m. He formerly held the world and Olympic record in the 200 m, and the world record in the indoor 400 m. He also currently holds the world's best time at the 300 m. His 200 m time of 19.32 at the 1996 Summer Olympics stood as the record for over 12 years. Johnson is generally considered one of the greatest and most consistent sprinters in the history of track and field. He is the only male athlete in history to win both the 200 meter dash and 400 meter dash events at the same Olympics, a feat he accomplished at the 1996 Summer Olympics in Atlanta. Johnson is also the only man to successfully defend his Olympic title in the 400 m. Aside from his Olympic success Johnson accumulated eight gold medals at World Championships, and is thus tied with Carl Lewis for the second most gold medals won by a runner (second only to Usain Bolt). Johnson's stiff upright running stance and very short steps defied the conventional wisdom that a high knee lift was essential for maximum speed. As of 2012, Johnson holds 13 of the top 100 times for the 200 meters and 27 of the top 100 times for the 400 meters. Of those, he holds 14 of the top 25 times for the 400 meters. He broke 44 seconds for the 400 metres twenty-two times, more than twice as many times as any other athlete. ==Early life and college== Johnson was born and raised in Dallas, Texas as the youngest of five children; his parents were a truck driver and a schoolteacher.〔 He began running competitively at age 10, and attended Skyline High School and Baylor University. At Baylor, Johnson was coached by Clyde Hart, and won several NCAA titles in both indoor and outdoor sprints and relays.〔 Among his early collegiate feats, Johnson broke the school record for the 200 m in his very first race with a time of 20.41, and in 4 x 400 m relays he clocked a leg at 43.5. He prepared for the 1988 Summer Olympics in Seoul, but developed a stress fracture of his left fibula before the U.S. Olympic trials began. He did not qualify in the 400 m and he withdrew from the 200 m.〔 In 1989, he placed 2nd in the 400 at the USA Indoor Championship, while at the NCAA Outdoor Championship he led off runner-up Baylor in the 4 x 400 with a time of 43.8 and won the 200 in 20.59. Johnson hit his stride in his senior season, winning three of the four major 200 m events on the schedule, taking the 400 m at the USA Indoors Championship, and anchoring several winning relay teams. Johnson graduated from Baylor in 1990 with a bachelor's degree in business, with the number one world ranking in both the 200 m and the 400 m.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Michael Johnson (sprinter)」の詳細全文を読む スポンサード リンク
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