In April 2022, Roots Party candidate, George Wajackoyah named Justina Wamae, a former Mavoko Constituency Member of Parliament aspirant, as his running mate.[42] On 15 May 2022, Kenya Kwanza endorsed Rigathi Gachagua as Ruto's running mate.[43] Azimio La Umoja endorsed Martha Karua as Odinga's running mate on 16 May 2022.[44] Agano Party's Waihiga Mwaure unveiled Ruth Mucheru Mutua as his deputy.[45]