We are in a political crisis not a legal one, in spite of what the talking heads are saying - Popular lawyer

The Legal Position: In spite of language in the 2013 Raila Odinga petition that suggested that the withdrawal of a candidate at this stage of an election could lead to fresh nominations I think that on balance the better view is that the IEBC will now treat this as an uncontested election and proceed to declare Uhuru elected unopposed. (The issue of fresh nomination was not an issue in that petition so, strictly speaking, what the court said then is not binding). 

There is, of course, the decision of the high court- still awaited- in the Ekuru Aukot case -challenging the anointing of Uhuru and Raila as the only candidates eligible to run on the 26th of October, 2017). This could still lead to other candidates being allowed to compete.