Boston and Chicago marathon winner Rita Jeptoo has been handed a two-year ban for failing a drugs test.

The 33-year-old tested positive for traces of a banned substance last October, which saw her become the 45th Kenyan athlete to have failed a doping test.

"Athletics Kenya followed due process in her matter and it was appropriate that she serves a two-year ban," Athletics Kenya chief executive Isaac Kamande is quoted as saying by BBC Sport.

Jeptoo has won the last two Boston and Chicago marathons.