Complex sentence: Under the new constitution and with President Kibaki prohibited by term limits from running for a third term, Deputy Prime Minister Uhuru Kenyatta ran and won with 50.51% of the vote in March 2013.
Split into simpler sentences: Under the new constitution and with President Kibaki prohibited by term limits from running for a third term, Deputy Prime Minister Uhuru Kenyatta ran for office. They won with 50.51% of the vote in March 2013.