'Monkey man' beats his own all-fours record

A 30-year-old man who has trained in four-legged walking and running for nine years sets a new record.

Kenichi Ito, right, receives a Certificate of the Guinness World Records from its official Adjudicator Carlos Martinez after setting the fastest time to run 100 meters on all fours at Komazawa Olympic Park Stadium in Tokyo Thursday, Nov. 15, 2012. Known as "Monkey Man," Ito, 30, who has trained the four-legged style walking and running for nine years in his daily life by studying primates' movements through books, video and visiting the zoo frequently, ran in 17.47 seconds, 1.11 seconds faster than the time he set in 2008. (AP Photo/Koji Sasahara)

Kenichi Ito shows a watch displaying the Guinness World Record time of 17.47 seconds after setting the fastest time to run 100 meters on all fours at Komazawa Olympic Park Stadium in Tokyo Thursday, Nov. 15, 2012. Known as "Monkey Man," Ito, 30, who has trained the four-legged style walking and running for nine years in his daily life by studying primates' movements through books, video and visiting the zoo frequently, ran in 17.47 seconds, 1.11 seconds faster than the time he set in 2008. (AP Photo/Koji Sasahara)

Kenichi Ito poses for photographers with a Certificate of the Guinness World Records after setting the fastest time to run 100 meters on all fours at Komazawa Olympic Park Stadium in Tokyo Thursday, Nov. 15, 2012. Known as "Monkey Man," Ito, 30, who has trained the four-legged style walking and running for nine years in his daily life by studying primates' movements through books, video and visiting the zoo frequently, ran in 17.47 seconds, 1.11 seconds faster than the time he set in 2008. (AP Photo/Koji Sasahara)

Kenichi Ito runs on a race course on his way to setting the Guinness World Record for the fastest time to run 100 meters on all fours at Komazawa Olympic Park Stadium in Tokyo Thursday, Nov. 15, 2012. Known as "Monkey Man," Ito, 30, who has trained the four-legged style walking and running for nine years in his daily life by studying primates' movements through books, video and visiting the zoo frequently, ran in 17.47 seconds, 1.11 seconds faster than the time he set in 2008. (AP Photo/Koji Sasahara)

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Kenichi Ito, right, receives a Certificate of the Guinness World Records from its official Adjudicator Carlos Martinez after setting the fastest time to run 100 meters on all fours at Komazawa Olympic Park Stadium in Tokyo Thursday, Nov. 15, 2012. Known as "Monkey Man," Ito, 30, who has trained the four-legged style walking and running for nine years in his daily life by studying primates' movements through books, video and visiting the zoo frequently, ran in 17.47 seconds, 1.11 seconds faster than the time he set in 2008. (AP Photo/Koji Sasahara)

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