Office
U.S. Senate
2026 contest
This page currently shows current seat context and active FEC filings. It does not yet claim ballot certification, party nomination, or certified results.
Office
U.S. Senate
Current officeholder
John W. Hickenlooper
General election
November 3, 2026
Live FEC filings
20
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
DEMOCRATIC PARTY · Incumbent
First FEC filing: August 22, 2019 · Last filing: June 4, 2025
CONSTITUTION PARTY · Challenger
First FEC filing: January 6, 2026 · Last filing: April 18, 2026
Party not listed · Challenger
First FEC filing: March 20, 2026 · Last filing: March 20, 2026
OTHER · Challenger
First FEC filing: March 20, 2026 · Last filing: March 20, 2026
REPUBLICAN PARTY · Challenger
First FEC filing: January 5, 2026 · Last filing: January 5, 2026
DEMOCRATIC PARTY · Challenger
First FEC filing: December 8, 2025 · Last filing: December 8, 2025
REPUBLICAN PARTY · Challenger
First FEC filing: October 14, 2025 · Last filing: October 14, 2025
INDEPENDENT · Challenger
First FEC filing: June 23, 2025 · Last filing: September 10, 2025
DEMOCRATIC PARTY · Challenger
First FEC filing: August 25, 2025 · Last filing: August 25, 2025
DEMOCRATIC PARTY · Challenger
First FEC filing: August 1, 2025 · Last filing: August 1, 2025
REPUBLICAN PARTY · Challenger
First FEC filing: July 7, 2025 · Last filing: July 7, 2025
REPUBLICAN PARTY · Challenger
First FEC filing: April 14, 2025 · Last filing: April 14, 2025
DEMOCRATIC PARTY · Challenger
First FEC filing: February 7, 2025 · Last filing: February 7, 2025
UNITED PARTY · Challenger
First FEC filing: April 11, 2026 · Last filing: April 11, 2026
DEMOCRATIC PARTY · Challenger
First FEC filing: February 27, 2026 · Last filing: February 27, 2026
REPUBLICAN PARTY · Challenger
First FEC filing: January 7, 2026 · Last filing: January 7, 2026
DEMOCRATIC PARTY · Challenger
First FEC filing: July 25, 2025 · Last filing: July 25, 2025
DEMOCRATIC PARTY · Challenger
First FEC filing: March 12, 2025 · Last filing: March 12, 2025
INDEPENDENT · Challenger
First FEC filing: May 31, 2024 · Last filing: August 1, 2024
INDEPENDENT · Challenger
First FEC filing: June 10, 2022 · Last filing: March 2, 2023
Sources
Seat structure source: Official Senate roster ↗
Candidate filing source: Federal Election Commission candidate filings and candidate data APIs.