He clocked 2:09:39 to win the
Honolulu Marathon on December 11, 2016. He clocked 2:04:06 to win the
Amsterdam Marathon on October 21, 2018. He also won the Amsterdam Marathon in 2017, running a time of 2:05:09, setting the course record, which he broke in 2018. On 15 April 2019, Cherono won the
Boston Marathon with a time of 2:07:57. He out-sprinted two-time Boston winner and
World Championship Silver medalist Lelisa Desisa on the final block of
Boylston Street. On 13 October 2019, Cherono won the
2019 Chicago Marathon with a time of 2:05:45. He out-kicked three other runners in the final 200 meters to win the race. In 2020 Cherono raced the
Valencia Marathon, where he placed 2nd in a new personal best time of 2:03:04. He qualified to represent
Kenya at the
2020 Summer Olympics. At the
2020 Tokyo Olympic Games men's marathon Cherono placed 4th getting out sprinted by
Abdi Nageeye and
Bashir Abdi, while
Eliud Kipchoge won. == Doping violation and competition ban ==