Gatchalian's running mate is vice mayor Eric Martinez, who has served since 2007; if he wins, he will have his term limited in 2016.

In April 2012, he signed his intention to run for the Senate race under the Pwersa ng Masang Pilipino party headed by former President Joseph Ejercito Estrada.

The incumbent first district representative Rexlon "Rex" Gatchalian running under the Nationalist People's Coalition, the same political party he had during the 2007 election.

The second candidate is Shalani Carla "Lani" Soledad-Romulo, a member of the Valenzuela city council and wife to Pasig Representative Roman Romulo.

Soledad-Romulo gained prominence as a former girlfriend to President Benigno Aquino III from 2008 to 2010 and as a TV host at television network TV5 since 2010.

The other candidate for congressman is Pablo "Pabs" Hernandez III, a columnist from the tabloid Bulgar who ran for the mayoralty race inn 2010.

Pilipinas-International; Charee Pineda, who vies second district councils, is a member of ABS-CBN's Star Magic circle and held the lead role in 2011 daytime drama series Angelito: Batang Ama.

[citation needed] Mock polls are done in different parts of the city to survey possible winners to the 2013 midterm elections.

Based on a February 2013 mock polls done by the Valenzuela City District Two Voters Group, an independent non-government group, conducted by former dean Rolando Lansigan, the following candidates garnered the spot for the second district:[6] The winners of the congressional, mayor and vice mayor seats of Valenzuela City is determined with the highest number of votes received.