South Africa's deputy president, Kgalema Motlanthe, will challenge President Jacob Zuma for the leadership of the ruling African National Congress.
Motlanthe's spokesman, Thabo Masebe, confirmed Thursday that the deputy leader accepted the nomination after receiving the endorsement of several of the country's provinces.
Motlanthe is also running to retain his post as deputy.
Mr. Zuma, who has received the most nominations for the post, is expected to place well ahead of his deputy.
The ANC election will take place during their leadership conference which starts Sunday in Bloemfontein.
The person chosen to lead the party will most likely win the presidency in the 2014 election.