The races and the stakes:
US Senate
Six Democrats are running in the Democratic primary for a chance to unseat Republican Sen.
Rep.
US House
Oklahoma has five congressional districts, all of which are occupied by Republicans. Each of the districts is up for election this November.
In the state's competitive 2nd Congressional District, 14 candidates are running in the GOP primary. There's no incumbent in the race, and the winner will run against Democrat Naomi Andrews in the fall.
Gubernatorial
Oklahoma Gov. Kevin Stitt is running in the Republican primary against three challengers: Joel Kintsel, Mark Sherwood, and Moira McCabe. The winner of the GOP primary will match up against the victor of the Democratic primary, either Joy Hofmeister or Constance Johnson, in the fall.
Local races
Oklahoma has 48 state senate seats, half of which are up for election this year. The state also has 101 seats in the Oklahoma House of Representatives, the overwhelming majority of which are held by Republicans. All 101 of the house seats are up for election this year.