IncumbentJohn Hickenlooper Democrat
General election
incumbent U.S. senator
- Mark Baisley Republican
state senator from the 4th district (2023–present) (previously ran for governor)
Independents:
Democratic primary
incumbent U.S. senator
state senator from the 34th district (2019–present)
Also on the ballot:
Republican primary
state senator from the 4th district (2023–present) (previously ran for governor)
business owner
Also on the ballot: