A faction of the ruling PDP–Laban party that is in conflict with incumbent president Rodrigo Duterte nominates Senator Manny Pacquiao as the party's presidential candidate.
Philippine president Benigno Aquino III says that the Abu Sayyaf militants plan to kidnap his sister actress Kris Aquino and boxer Manny Pacquiao.
Walden Bello, a socialist candidate for the Philippine Senate, files a petition that may disqualify boxer Manny Pacquiao for violating election rules regarding publicity. Based on the commission's rules, Pacquiao's wife, Jinkee Pacquiao, may substitute.
Nike, Inc. drops Manny Pacquiao as an endorser after his remarks about LGBT people.
Filipino Senate candidate and boxer Manny Pacquiao calls LGBT people "less than animals" when asked about his opposition to same-sex marriage, prompting condemnation from prominent Filipino LGBT figures such as Aiza Seguerra, John Lapus and Vice Ganda. Pacquiao later apologizes.
Mayor Jejomar Binay and Senator Mar Roxas are still in a tight race for the vice-presidency. [https:--web.archive.org-web-20100514014421-http:--newsinfo.inquirer.net-topstories-topstories-view-20100512-269597-Roxas-Binay-camps-trade-barbs-as-VP-race-heats-up "(Philippine Daily Inquirer)"]
Former First Lady Imelda Marcos is elected as representative of Ilocos Norte. [https:--web.archive.org-web-20100513081538-http:--newsinfo.inquirer.net-breakingnews-nation-view-20100511-269426-Imelda-Marcos-wins-big "(Philippine Daily Inquirer)"]
The son of Corazon Aquino, Benigno Aquino III, appears set to win the presidency in the Philippine elections, which have been marred by deadly violence and malfunctioning voting machines.
Presidential elections, legislative elections and local elections start today in the Philippines.
The campaign period for the Philippine general election, 2010 begins.