2017 London marathon winner Daniel Wanjiru slapped with four-year ban

Kenya's Samuel Wanjiru wins the Men's elite race at the London marathon on April 23, 2017 in London. Kenya's Daniel Wanjiru recorded the greatest win of his career on Sunday taking the London Marathon in an unofficial time of 2hrs 5min 48sec. / AFP PHOTO / Adrian DENNIS

2017 London Marathon winner Daniel Wanjiru has been handed a four-year-ban due to an Athlete Biological Passport (ABP) violation, the Athletics Integrity Unit announced on Thursday, October 15.

Wanjiru, who has denied any wrongdoing, had been provisionally suspended since 14 April, 2020 after he was found guilty of the offense.