Sen. Roger Marshall, a Republican, is seeking a second term representing Kansas in the U.S. Senate in the Nov. 3, 2026, general election.

Marshall faces Democratic nominee the Rev. Adam Hamilton and Libertarian candidate David C. Graham. The Cook Political Report and the University of Virginia's Center for Politics rate the race as likely Republican, according to CBS News.

Marshall won the 2026 Republican primary with approximately 79% of the vote, defeating challenger Pond Naramore of Lawrence, according to the Kansas Reflector. He is a fifth-generation Kansan.

Candidate information

  • Party: Republican
  • Born: Aug. 9, 1960, in El Dorado, Kansas
  • Education: El Dorado High School (1978); associate's degree, Butler Community College (1980); bachelor's degree in biochemistry, Kansas State University (1984); doctor of medicine, University of Kansas (1987); residency in obstetrics and gynecology, Bayfront Medical Center, St. Petersburg, Florida
  • Military service: Captain, U.S. Army Reserves, mobile hospital support (1984–1991)

Experience and public service

Marshall served as a U.S. representative for Kansas' 1st Congressional District from 2017 to 2021 before winning his Senate seat, according to BallotReady and his Wikipedia entry.

Before entering politics, Marshall co-founded and practiced as an obstetrician-gynecologist at Great Bend Regional Medical Center starting in 1998. He also co-owned Heartland Regional OBGYN from 1998 to 2019 and served as a vice president at Farmers Bank and Trust, according to his Wikipedia entry.

Marshall has held roles as a commissioner at the Kansas Department of Wildlife, Parks and Tourism and as a district governor for Rotary International, according to BallotReady.

In the Senate, Marshall serves on the Committee on Energy and Natural Resources and the Committee on Finance. He chairs the Subcommittee on Conservation, Climate, Forestry, and Natural Resources on the Agriculture, Nutrition, and Forestry Committee and the Subcommittee on Primary Health and Retirement Security on the Health, Education, Labor and Pensions Committee, according to his Wikipedia entry.

On the issues

The following positions are drawn from Marshall's campaign website and BallotReady questionnaire responses. They reflect the candidate's own statements.

Agriculture and cost of living: Marshall said he led the Whole Milk for Healthy Kids Act, signed into law in January 2026. He said the law restored whole and 2% milk to the National School Lunch Program for the first time since 2010. On April 28, 2026, he said he introduced the Lowering Input Costs for American Farmers Act (S. 4418) to eliminate countervailing duties on phosphate fertilizer imports from Morocco. He said the bill is projected to cut phosphate fertilizer costs by more than 20%. Marshall said he voted for the Working Families Tax Cuts in 2025 to make the 2017 tax cuts permanent.

Healthcare: Marshall said he leads the Improving Seniors' Timely Access to Care Act (S. 1816), which would set 24- and 72-hour decision deadlines on Medicare Advantage prior-authorization requests. He said he also leads the Patients Deserve Price Tags Act (S. 2355), which would require hospitals and other facilities to publish upfront prices. Marshall said he opposes government-run healthcare and supports covering individuals with pre-existing conditions.

Aerospace and defense: Marshall said Boeing CEO Kelly Ortberg joined him in Wichita on May 11, 2026, to announce a $1 billion Boeing investment in the city, including a WSU Tech workforce training center in south Wichita.

Border security and immigration: Marshall said he cosponsored the Laken Riley Act (S. 5), signed into law Jan. 29, 2025, requiring ICE detention of unauthorized immigrants who commit certain crimes. He also said he cosponsors the Build the Wall Act (S. 42).

Veterans: Marshall said he voted for the PACT Act in August 2022, expanding VA benefits for veterans exposed to burn pits and other toxic substances. He said he cosponsors the Major Richard Star Act (S. 1032), which would end the offset forcing medically retired combat-injured veterans to choose between retirement pay and disability compensation.

Endorsements

Marshall has been endorsed by the following organization, according to BallotReady:

  • Senate Conservatives Fund

Candidate positions were drawn from Marshall's campaign website and BallotReady questionnaire responses. The Wichita Ledger did not interview the candidate for this profile.