Polling Average
80%60%40%20%0%
37.3%
55.3%
Saved Kalshi settlement results
These are market contract results, not election calls or vote totals. News, polls, prices and charts remain as captured.
Observation saved Nov 4, 2026, 11:35 AM UTC. No automatic updates.
Colorado Senate winner?
The selected contract has a verified final result.
Final: No
Settled Nov 4, 2026, 2:50 AM UTC
Republican
Mark Baisley
Republican candidate for U.S. Senate in Colorado
$103.2K
NOV 7, 2026
General Election
Voters choose the office holder.
Saved odds — Colorado Senate winner?
Prediction-market probability saved with this edition; no automatic updates.
2%chance to win
$103.2KNOV 7, 2026Candidate Overview
Key details about the candidate’s background, party, office sought and current campaign.
Current roleState Senator
PartyRepublican
Political ideologyConservative Republican
Age71 years old (Aug 2, 1955)
GenderMale
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LocationColorado
BackgroundColorado State Senator
EducationColumbia College (Missouri) — B.S., computer information systems/business administration
Notable personal detailsMark Baisley is a Republican Colorado state senator representing Senate District 4, having assumed office in January 2023 after serving in the Colorado House of Representatives (District 39) from 2019 to 2023. He has worked in information technology and systems engineering with experience in aerospace and defense, and has served as president of Slipglass, Inc. He earned a B.S. from Columbia College and has been active in Colorado Republican Party leadership and local education-related nonprofit governance.
SourcesShowHide
docquery.fec.govleg.colorado.govcoloradosenaterepublicans.comen.wikipedia.orgbaisleyforsenate.comrepbio.orgdeveloper.ballotpedia.orgballotready.orgquarex.orgfrontpage.ballotpedia.orgvotesafe.orgen.wikwik.orgivoterguide.commultistate.usmentalhealthcolorado.orgballotpedia.s3.amazonaws.comghcfrwpac.orgreddit.commarkbaisley.comnewcoloradopromise.comjustfacts.votesmart.orgcoloradosun.comgazette.comapp.coloradocapitolwatch.comdenvergazette.comaxios.comcoloradonewsline.comdenver7.comconservationco.orgcoloradopols.comcpr.orgcoloradopolitics.comcoloradocommunitymedia.comcontent.leg.colorado.govfacebook.cominstagram.comwashingtonexaminer.comthe-downballot.comalamosacitizen.compbs.orgchieftain.comballotpedia.orgpredictionedge.comstatic.votesmart.orgwikidata.orgfec.govcongress.gov
Political Positions
LiberalConservative
Economy & Taxes
Opposes higher taxes and favors limited government to keep more income in residents' hands; supports resisting new government spending and prioritizing affordability through market-driven solutions. Has voted against at least one large state budget appropriation.
Healthcare
Supports market-based healthcare reforms that increase patient choice and reduce insurer/ government control, favoring policies that let patients shop for services and approve treatments rather than rely on insurance bureaucrats. Has sponsored or supported legislation and votes consistent with conservative, market-oriented approaches to health policy, including opposing mandates to expand insurance coverage for specific drugs and sponsoring bills that prioritize state subsidies for lawfully present residents.
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Immigration & Border
The candidate has sponsored legislation to require local governments and law enforcement to cooperate with federal immigration authorities and to restore pre-2006 restrictions that limit local policies shielding undocumented immigrants. He frames the proposals as aimed at enabling reporting to ICE and deportation of noncitizens who commit crimes. The legislative effort emphasizes strengthening enforcement rather than expanding legal pathways or asylum protections.
Abortion & Reproductive Rights
Mark Baisley opposes expanded legal abortion rights in Colorado and has acted to restrict or abolish abortion access. He opposed the Reproductive Health Equity Act and voted against measures to enshrine abortion rights, and he is listed as a sponsor on legislation characterized as abolishing abortion in Colorado.
Climate & Energy
The candidate votes in favor of including nuclear energy as a recognized clean energy resource and has voted against state building decarbonization measures; his environmental scorecard from Conservation Colorado is low. His committee assignments include Transportation & Energy, and his legislative record shows opposition to regulatory decarbonization measures while supporting nuclear as part of the clean-energy definition.
Public Safety & Guns
Mark Baisley has opposed recent Colorado legislation to crack down on so-called “ghost guns,” arguing such measures infringe on constitutional rights and proposing amendments to limit enforcement actions. His public comments and floor actions in the State Senate position him against new gun-registration or restriction measures like the ghost-gun bills considered in 2023–2025.
Latest News
AINews Summary
Last updatedJul 17, 2026
Mark Baisley is now set to face Democratic Sen. John Hickenlooper in the November Colorado U.S. Senate race after Hickenlooper won the Democratic primary. Baisley’s own Republican Senate primary was unopposed, so he advanced without a contest. Recent coverage around his campaign has also focused on broader election issues in Colorado, including primary rules and voting requirements, but no major new developments about Baisley himself were reported.
docquery.fec.gov+46
Articles
TDThe Denver Post7 months ago
Sen. Barbara Kirkmeyer qualifies for GOP primary for Colorado governor
Neutral
TDThe Denver Post6 months ago
Closing Colorado's primaries would be a great loss for democracy (Opinion)
Neutral
ICInside Climate News8 months ago
The Latest Front in the Battle Over Climate Lawsuits: Bills Wiping Out Liability
Neutral
WWTOP5 months ago
Trump is facing a new inflation warning from the bond market, adding to his midterm challenges
Neutral
Latest Polls
Colorado Senate winner?
Recent polling results and the candidate's current average in the race.
Mark Baisley currently averages 37.3%, ranking second in this race, 18.0 points behind the next candidate.
Polling average: 37.3%Position: secondMargin: -18.0 ptsLatest poll: 35.0% (Oct 31 - Nov 2)Polls included: 3
Average recalculated from polls through Oct 31 - Nov 2.
Aggregation source: FiftyPlusOne
Campaign Fundraising
Latest report: Cycle 2026Campaign finance totals from the latest available reporting period.
Total raisedCash on hand
$138.1K
$103.6K
$69.1K
$34.5K
$0
2026
LatestYear
Total raised
Cash on hand
Total spent
Burn rate
Cycle 2026
$138.1K
$50.0K
$88.9K
$4.9K
Source: FEC
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- Endorsements