Office
U.S. Senate
2026 contest
South Dakota Class II
This page currently shows current seat context and active FEC filings. It does not yet claim ballot certification, party nomination, or certified results.
Current officeholder
Mike Rounds
General election
November 3, 2026
Live FEC filings
4
FEC registeredBallot certifiedParty nomineeWon electionSeated
Candidates listed here are active FEC filings for this federal seat. Ballot certification, nominee status, and state election-office validation are not loaded yet.
Candidates
4 active FEC filings
MIKE ROUNDSFEC registered
REPUBLICAN PARTY · Incumbent
First FEC filing: October 10, 2012 · Last filing: December 14, 2020
Has raised fundsFEC ↗
JUSTIN S MCNEALFEC registered
REPUBLICAN PARTY · Challenger
First FEC filing: October 25, 2025 · Last filing: October 25, 2025
Has raised fundsFEC ↗
JULIAN C BEAUDIONFEC registered
DEMOCRATIC PARTY · Challenger
First FEC filing: April 30, 2025 · Last filing: April 30, 2025
Has raised fundsFEC ↗
BRIAN BENGSFEC registered
INDEPENDENT · Challenger
First FEC filing: April 28, 2025 · Last filing: April 28, 2025
Has raised fundsFEC ↗
Sources
Seat structure source: Official Senate roster ↗
Candidate filing source: Federal Election Commission candidate filings and candidate data APIs.