Voters will choose a replacement for Gov. Susana Martinez, a Republican who cannot run for reelection because of term limits. Both parties have nominated House members for governor: Michelle Lujan Grisham, the Democrat has generally held a modest lead over Steve Pearce, the Republican, in the polls. Read more

In the Senate race, the Democratic incumbent, Martin Heinrich, is comfortably ahead of the Republican challenger, Mick Rich, and a Libertarian candidate, Gary Johnson.

One of the state’s most consequential races is for a less well-known post: public lands commissioner. The race has attracted attention from national environmental groups because of the potential for someone in that position to tackle the thorny problem of methane leaking from oil and gas sites. The Democrats have nominated Stephanie Garcia Richard, a teacher and state legislator who has backing from environmentalists. The Republican candidate, Patrick Lyons, is a rancher with oil-industry support who held the post from 2003 to 2010. Both have said they will crack down on leaks.