Oklahoma 1st District race 2026: Tedford vs. Croisant
General election, November 3, 2026 · U.S. House in Oklahoma’s 1st District. Open — Kevin Hern ran for Senate (won the primary outright; CFG PAC endorsed)
Mark Tedford
Two-term Oklahoma House member from Jenks and insurance executive; Republican nominee for Oklahoma’s 1st District after the runner-up left the 2026 runoff.
Read the documented profile of Mark TedfordJohn Croisant
Member of the Tulsa Public Schools Board of Education (District 5); 2026 Democratic nominee for U.S. House from Oklahoma’s 1st congressional district
The general-election field as the board records it: Mark Tedford (R) vs. John Croisant (D)
The race at a glance
Board data as of . Ratings are the raters' own current calls; polls are the newest public ones with their field dates; money is what the committees reported. Nothing here is a forecast.
- Seat
- Open — Kevin Hern ran for Senate (won the primary outright; CFG PAC endorsed)
- Primary
- (results.okelections.gov via Wikipedia; portal 403): Tedford 23,230 (32.2%), Lahmeyer 18,699 (25.9%), Butterfield 11,532 (16.0%); runoff cancelled
- Ratings
- Cook Solid R (PVI R+11); Sabato Safe R; IE Solid R
- Newest public polling
- NOT FOUND
- Reported money
- FEC : Tedford $1,448,254 / $515,723 COH; Lahmeyer $350,151; Croisant $124,218
- Notable
- Trump endorsed Lahmeyer (), then flipped to Tedford . No CFG statement on the withdrawal; Tedford is not on the endorsed list.
Key dates in Oklahoma
Read from the Oklahoma State Election Board. The full guide, with the official tools, is on the Oklahoma page.
- Voter registration deadlineOctober 9, 2026, for the November 3, 2026 General Election. The same date covers online, mailed and hand-delivered applications; the entries below show how each is measured. Applications that miss the deadline are processed after the election. oklahoma.gov
- Registration onlineSubmitted by October 9, 2026. The State Election Board says electronic updates to a voter registration submitted 24 or fewer days before the election are processed after that election; it prints no time of day. Online registration through the OK Voter Portal requires an Oklahoma driver license or state ID and a signature on file with Service Oklahoma. oklahoma.gov
- Early voting startsOctober 28, 2026. Early voting runs Wednesday through Friday, October 28–30, 8 a.m. to 6 p.m., and Saturday, October 31, 8 a.m. to 2 p.m. oklahoma.gov
- Deadline to request an absentee (mail) ballotOctober 19, 2026, 5 p.m. The request must be received by your County Election Board by then (the third Monday, 15 days before the election). This is the deadline to request a ballot, not to return it. oklahoma.gov
- Deadline to return an absentee (mail) ballotReceived, not just postmarked, by 7 p.m. (CST) on Election Day, November 3, 2026, if returned by mail or private delivery service. Hand-delivered ballots must be returned to the County Election Board by the end of business hours on the day before the election (Monday, November 2, 2026), and the voter must show proof of identity. oklahoma.gov
- Election DayTuesday, November 3, 2026. oklahoma.gov
- Polling place hours7:00 a.m. to 7:00 p.m. on Election Day, November 3, 2026. oklahoma.gov
Voting in Oklahoma: dates, rules and official tools
Questions and answers
Who is running for the U.S. House in Oklahoma’s 1st District in 2026?
Mark Tedford (R) vs. John Croisant (D) (as of Sep 15, 2026).
When is the election?
The general election is Tuesday, November 3, 2026. Voter registration deadline: October 9, 2026, for the November 3, 2026 General Election. The same date covers online, mailed and hand-delivered applications; the entries below show how each is measured. Applications that miss the deadline are processed after the election.
How do the raters see this race?
Cook Solid R (PVI R+11); Sabato Safe R; IE Solid R (as of Sep 15, 2026).
What do the polls show?
NOT FOUND (as of Sep 15, 2026).
How much money has been reported?
FEC May 27: Tedford $1,448,254 / $515,723 COH; Lahmeyer $350,151; Croisant $124,218 (as of Sep 15, 2026).