The IAAF's ethics board has rejected a challenge from the CEO of Athletics Kenya against his provisional suspension for allegedly soliciting bribes from two athletes.

Isaac Mwangi was provisionally suspended in February, after The Associated Press first reported the allegations from runners Joy Sakari and Francisca Koki Manunga.

Mwangi challenged that decision in March.

In a statement Thursday, the ethics board said it has dismissed his challenge.