Posted 7:14 PM 8/28/2012 : With polls closed, a rundown of the top races in the county
TUCSON - With the polls closed on Primary Election Day in Pima County, News 4 Tucson is reviewing some of today's top races.
Starting with the U.S. Senate race to replace retiring Republican Senator Jon Kyl, the Republican ballot features well-known U.S. Representative Jeff Flake going against political newcomer Will Cardon. Former Youngtown mayor Bryan Jackbarth and outreach minister Clair Van Steenwyk are also in the race.
On the Democratic side, just one name on the ballot: former U.S. Surgeon General Richard Carmona will face off against the Republican victor in November.
In Congressional District One, which covers parts of Oro Valley and Marana, former state representative, Democrat Ann Kirkpatrick is challenging attorney Wenona Baldenegro.
On the Republican side, former state senator Jonathan Paton is running against businessman Patrick Gatti, Doug Wade and Gaither Martin.
In the newly-drawn Congressional District Two, which extends from Tucson to Vail and Sahuarita, Congressman Ron Barber is facing off against Democratic challenger, State Representative Matt Heinz.
For the Republicans, retired Air Force officer, Martha McSally is running against businessman Mark Koskiniemi.
In Congressional District Three, two Democrats, former state senator Amanda Aguirre and physician Manuel Arreguin are challenging incumbent Congressman Raul Grijalva.
On the other side of the ticket, Republican businesswoman Gabriela Saucedo-Mercer" is facing off against Jaime Vasquez.
In the race for Pima County Board of Supervisors, District One, it's Republicans Mike Hellon, Stuart McDaniel, Vic Williams, and Ally Miller.
In District Four of the Pima County Board of Supervisors face, Republican incumbent Ray Carroll is facing Sean Collins. The other supervisor races are uncontested.
In the race for Pima County Sheriff, Republicans Terry Frederick, Vinson Holck, Chester Manning, Mark Napier and Walt Setzer are all trying to get on the November ballot.
The winner will face incumbent Sheriff, Democrat Clarence Dupnik, who is running unopposed and Green Party candidate Dave Croteau.
Another race of interest here: Pinal County Sheriff, Republican incumbent Paul Babeu, is facing Derek Arnson. The winner of this contest will face off against either Tom Bearup or Jack McClaren - the two Democrats running.
Click here for complete election results, which are expected to come in after 8 p.m. tonight.