 According to preliminary results, Gillibrand won re-election by a landslide of over 70% of the vote on November 6, 2012.Incumbent Democratic-NPL Senator Kent Conrad retired instead of running for re-election to a fifth term.Though each party endorses a single candidate in state political conventions in the spring, North Dakota determines actual ballot access for the general election in a statewide primary election that was held June 12, 2012.