



Democratic candidate for U.S. Senate in Colorado
Colorado Democratic Senate nominee?
Primary Election
Party selects its nominee.
Current prediction-market probability for the candidate, updated as market prices change.
0.1%chance to win
Key details about the candidate’s background, party, office sought and current campaign.
Current roleAttorney
PartyDemocratic
Political ideologyProgressive Democrat
LocationColorado
BackgroundAttorney
EducationB.A., Metropolitan State University of Denver
Notable personal detailsKaren Breslin is a Colorado attorney and political science professor who has run for office as a Democrat. She has taught courses related to law and the environment and has worked as a senior policy advisor within the National Park Service. Her professional background also includes private legal practice focused on environmental and animal-rights matters and prior work as a reporter covering energy and campaign-finance issues.
Supports higher taxes on the very wealthy and financial transactions, proposes a wealth tax similar to Elizabeth Warren’s 2% on fortunes over $50 million, and backs expanded social programs including Medicare for All, a $15 minimum wage, and permanent expansion of the Child Tax Credit.
Supports Medicare for All and major public health expansion to reduce healthcare expenses for working families. Prioritizes broader access to care and reducing the burden of health care costs on lower-income Americans.
Supports a prompt path to citizenship, an accelerated path for DACA and TPS recipients, ending routine detentions for non-risk detainees, and ensuring immigration policy respects due process and asylum protections under U.S. and international human rights law.
Supports broad reproductive rights, opposes fetal personhood and "life at conception" legislation, supports repeal of the Hyde Amendment, and supports the Women’s Health Protection Act to protect abortion access.
Supports legislative and policy measures to reduce carbon emissions, protect natural landscapes and biodiversity, and incentivize carbon reduction and pollution controls. Emphasizes protecting the environment and public health through federal action and targeted environmental protections. No explicit endorsement of Green New Deal–style wholesale fossil-fuel phase-out is stated in the cited materials.
Karen Breslin is in the news as a Democratic candidate in a crowded primary for the Massachusetts Sixth District seat. The race is being shaped by local issues like affordability, healthcare, and immigration, along with how strongly candidates can raise money and build support. More broadly, the contest is part of a larger Democratic push to win back seats and sharpen its message ahead of the 2026 elections.
Recent polling results and the candidate's current average in the race.



Aggregation source: FiftyPlusOne
Campaign finance totals from the latest available reporting period.
2024
2026
LatestCycle 2024
Cycle 2026
Source: FEC
New updates coming soon
We're monitoring and will update when new data impacts the race.