2 candidates are tracked for Wisconsin Senate District 29 on the November 3, 2026 ballot: Cory Tomczyk and Gillian Battino. Candidate information follows official Marathon County election filings; verify with the official election office linked below.
Cory Tomczyk (Republican), Gillian Battino (Democratic) meet on the November 3 ballot; Cory Tomczyk is the sitting member, per the Wisconsin Elections Commission's incumbent listing and the Legislature's roster. Wisconsin has no runoffs; the August 11 partisan primary set each party's nominee, and unopposed nominees still print. The field is the Wisconsin Elections Commission's certified Candidates on Ballot list for the November 3, 2026 general election (read September 7, 2026). This seat is elected by district; only the district covering your address appears on your ballot.
State legislator. State legislators write and vote on state laws and the state budget, which fund schools, roads, prisons, universities and health programs, and set the rules for local governments and elections. Each member represents one district and serves on committees that shape bills before a floor vote. Terms are two years in most state houses and four in most state senates.
This race. Elected by district: only voters who live in the district see this race on their ballot. The sitting officeholder, Cory Tomczyk, is on the ballot.
Wisconsin › Marathon County › Wisconsin Senate District 29
Republican Incumbent
Tomczyk founded IROW (Industrial Recyclers of Wisconsin) in 1989, growing it into a Central Wisconsin company recognized as the Wausau Chamber of Commerce's Small Business of the Year in 1998, per his official legislator page. He served as Mosinee School Board president for five years. No campaign website was found as of September 7, 2026.
Democratic
Per the campaign site.
Gillian Battino is a candidate for Wisconsin Senate District 29, covering Marathon, Wood, Portage, Waupaca, and Shawano counties. She is a recently retired physician who practiced in Wausau, Marshfield, and Madison for over 20 years, per her campaign site.
Who is running for Wisconsin Senate District 29 in 2026?
2 candidates are tracked for Wisconsin Senate District 29 on the November 3, 2026 ballot: Cory Tomczyk and Gillian Battino. Candidate information follows official Marathon County election filings; verify with the official election office linked below.
When is the Wisconsin Senate District 29 election in Wisconsin?
Election Day is Tuesday, November 3, 2026. Registration deadlines, early voting dates and mail ballot rules for Wisconsin are on the Wisconsin election hub at theballotbrief.com.
How do I see my exact Marathon County ballot?
Enter your ZIP code in the lookup at theballotbrief.com for the statewide and congressional races, or a full street address to add the county, city and district contests for that location.
Candidate roster from official Marathon County and state election office filings, last verified September 25, 2026. Bios and priorities carry their attribution inline.
Cross-check with the official Wisconsin election office, or see the full Marathon County sample ballot and your exact ballot by address.
9 tracked races in Marathon County, Wisconsin. Landed here from another county's search? Look up your own ballot below.