2026 U.S. Senate race in Colorado

Incumbent running

Mark Baisley (R) vs. John Hickenlooper (D): Colorado's U.S. Senate election is on Tuesday, November 3, 2026, part of the 2026 midterm elections.

MB
Mark Baisley
Republican
FEC filing ↗
John Hickenlooper, Democratic candidate for U.S. Senate in Colorado
John Hickenlooper
Democratic
Incumbent · U.S. Senator since 2021Voting record →
Campaign money →FEC filing ↗
Seat held by
(D) John Hickenlooper, since 2021
Election day
Tuesday, Nov. 3, 2026
Term
Jan 3, 2027 – Jan 3, 2033

Who is running for U.S. Senate in Colorado in 2026?

Mark Baisley (R) vs. John Hickenlooper (D)

Who holds this seat now?

(D) John Hickenlooper, since 2021

When is the election?

Tuesday, Nov. 3, 2026

Candidate list: civicAPI ↗