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United States Senate election in Colorado, 2026 (June 30 Democratic primary)

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2020
U.S. Senate, Colorado
Ballotpedia Election Coverage Badge.png
Democratic primary
Republican primary
General election
Election details
Filing deadline: March 18, 2026
Primary: June 30, 2026
General: November 3, 2026
How to vote
Poll times:

7 a.m. to 7 p.m.
Voting in Colorado

Race ratings
Cook Political Report: Solid Democratic
DDHQ and The Hill: Pending
Inside Elections: Solid Democratic
Sabato's Crystal Ball: Safe Democratic
Ballotpedia analysis
U.S. Senate battlegrounds
U.S. House battlegrounds
Federal and state primary competitiveness
Ballotpedia's Election Analysis Hub, 2026
See also
U.S. Senate, Colorado
U.S. Senate1st2nd3rd4th5th6th7th8th
Colorado elections, 2026
U.S. Congress elections, 2026
U.S. Senate elections, 2026
U.S. House elections, 2026

A Democratic Party primary takes place on June 30, 2026, in Colorado to determine which Democratic candidate will run in the state's general election on November 3, 2026.

Candidate filing deadline Primary election General election
March 18, 2026
June 30, 2026
November 3, 2026


Heading into the election, the incumbent is John Hickenlooper (Democrat), who was first elected in 2020.

A primary election is an election in which registered voters select a candidate that they believe should be a political party's candidate for elected office to run in the general election. They are also used to choose convention delegates and party leaders. Primaries are state-level and local-level elections that take place prior to a general election.

Colorado utilizes a semi-closed primary system. According to Section 1-7-201 of the Colorado Revised Statutes, "An eligible unaffiliated elector, including a preregistrant who is eligible under section 1-2-101 (2)(c), is entitled to vote in the primary election of a major political party without affiliating with that political party."[1][2]

For information about which offices are nominated via primary election, see this article.

Thirty-three of the 100 U.S. Senate seats are up for election, and another two seats are up for special election. Democrats hold 13 of the seats up for election, and Republicans hold 22. As of January 2026, 11 members of the U.S. Senate announced they are not running for re-election. To read more about the U.S. Senate elections taking place this year, click here.

This page focuses on Colorado's United States Senate Democratic primary. For more in-depth information on the state's Republican primary and the general election, see the following pages:

Candidates and election results

Note: The following list of candidates is unofficial. The filing deadline for this election has passed, and Ballotpedia is working to update this page with the official candidate list. This note will be removed once the official candidate list has been added.

Democratic primary election

Democratic primary for U.S. Senate Colorado

The following candidates are running in the Democratic primary for U.S. Senate Colorado on June 30, 2026.


Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey.

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Withdrawn or disqualified candidates

Candidate profiles

This section includes candidate profiles that may be created in one of two ways: either the candidate completed Ballotpedia's Candidate Connection survey, or Ballotpedia staff may compile a profile based on campaign websites, advertisements, and public statements after identifying the candidate as noteworthy. For more on how we select candidates to include, click here.

Image of Brashad Hasley

WebsiteFacebookXYouTube

Party: Democratic Party

Incumbent: No

Submitted Biography "I’m Brashad Hasley, a U.S. Navy veteran, software engineer, and proud Coloradan. I grew up in a single-parent home in Dallas with my mom and two sisters, played football, took AP classes, and joined the Navy right after high school. I served as a Navy Corpsman with a Marine unit, an experience that taught me leadership, discipline, and how to take care of people. After service, I earned a computer science degree at the University of North Texas while raising my son as a single father. I later worked in the defense sector and served abroad in Germany, focusing on data and AI projects, and that’s where I met my wife. I also became a dad at 18, so I understand kitchen-table pressures firsthand. I’m running for the U.S. Senate for Colorado to make sure technology serves people. That means practical guardrails for AI, protecting jobs and privacy, modern education that prepares students for good work, accessible healthcare, clean energy, and infrastructure that lasts. I aim to represent every Coloradan: Democrat, Republican, and independent. With common-sense logic based problem solving and a focus on results. I made my career in solving problems. With a little support I believe I can bring change to this nation and contribute to uniting our people."


Key Messages

To read this candidate's full survey responses, click here.


Make technology work for the people: I will set clear guardrails on AI to protect jobs, privacy, and civil rights; crack down on deepfake abuse; and pair innovation with worker training, apprenticeships, and small-business support. Colorado should lead a human-centered tech future where families gain opportunity instead of losing livelihoods.


Use tech gains to cut hours, not pay: Smart AI guardrails and productivity investments should let people work fewer hours with the same or better pay. I will back 32-hour workweek pilots with no pay cuts, tax incentives for companies that share productivity gains with workers, stronger overtime protections, and training funds so teams can adopt new tools without layoffs. The goal is higher productivity, healthier families, and more time back in every persons week.


Better health, fair justice, stronger economy: When technology serves people, families win. I will pair AI guardrails and shared productivity gains with policies that lower health costs, expand access to care, and protect privacy. Safer communities come from opportunity: apprenticeships, good jobs, and smart prevention that reduce crime. A people-first tech strategy, clean energy investment, and durable infrastructure grow small businesses and keep Colorado competitive. The result is a healthier state, a fairer justice system, and a stronger economy.

Image of Anthony Zimpfer

WebsiteFacebookX

Party: Democratic Party

Incumbent: No


Key Messages

To read this candidate's full survey responses, click here.


Extensive campaign finance reform. When politicians answer to voters instead of donors, real change becomes possible.


Medicare for All is an investment in a healthier nation, and in the freedom to adapt and thrive in a new economy.


Urgent climate action is essential to secure a healthy planet and a strong future for the next generation.

Voting information

See also: Voting in Colorado

Election information in Colorado: June 30, 2026, election.

What is the voter registration deadline?

  • In-person: June 30, 2026
  • By mail: Postmarked by June 22, 2026
  • Online: June 22, 2026

Is absentee/mail-in voting available to all voters?

Yes

What was the absentee/mail-in ballot request deadline?

  • In-person: N/A
  • By mail: N/A by N/A
  • Online: N/A

What is the absentee/mail-in ballot return deadline?

  • In-person: June 30, 2026
  • By mail: Received by June 30, 2026

Is early voting available to all voters?

Yes

What are the early voting start and end dates?

June 22, 2026 to June 30, 2026

Are all voters required to present ID at the polls? If so, is a photo or non-photo ID required?

N/A

When are polls open on Election Day?

7:00 a.m. - 7:00 p.m. (MT)

Campaign finance

Name Party Receipts* Disbursements** Cash on hand Date
John Hickenlooper Democratic Party $7,607,184 $5,371,502 $3,877,765 As of December 31, 2025
Karen Breslin Democratic Party $130,570 $123,285 $7,284 As of December 31, 2025
Julie Gonzales Democratic Party $178,844 $17,952 $160,892 As of December 31, 2025
Brashad Hasley Democratic Party $20,336 $20,336 $0 As of February 11, 2026
Jessica Williams Democratic Party $0 $0 $0 Data not available***
Anthony Zimpfer Democratic Party $4,131 $2,227 $1,904 As of December 31, 2025

Source: Federal Elections Commission, "Campaign finance data," 2026. This product uses the openFEC API but is not endorsed or certified by the Federal Election Commission (FEC).

* According to the FEC, "Receipts are anything of value (money, goods, services or property) received by a political committee."
** According to the FEC, a disbursement "is a purchase, payment, distribution, loan, advance, deposit or gift of money or anything of value to influence a federal election," plus other kinds of payments not made to influence a federal election.
*** Candidate either did not report any receipts or disbursements to the FEC, or Ballotpedia did not find an FEC candidate ID.

Ballot access

The table below details filing requirements for U.S. Senate candidates in Colorado in the 2026 election cycle. For additional information on candidate ballot access requirements in Colorado, click here.

Filing requirements for U.S. Senate candidates, 2026
State Office Party Signatures required Filing fee Filing deadline Source
Colorado U.S. Senate Major party 1,500 per congressional district N/A 3/18/2026 Source
Colorado U.S. Senate Minor party 1,000 per congressional district N/A 3/18/2026 Source
Colorado U.S. Senate Unaffiliated 1,000 per congressional district N/A 7/9/2026 Source

See also

External links

Footnotes


Senators
Representatives
District 1
District 2
District 3
Jeff Hurd (R)
District 4
District 5
District 6
District 7
District 8
Democratic Party (6)
Republican Party (4)