Primary elections in Indiana, Ohio, and Michigan on Tuesday will serve as a critical test of former President Donald Trump's political influence, as candidates aligned with his agenda face off against more traditional Republicans in key races. The elections come amid ongoing debates over election integrity, economic policy, and the direction of the Republican Party.
Ohio Governor Race
In Ohio, the Republican primary for governor features a contentious battle between incumbent Governor Mike DeWine, who has drawn Trump's ire for certifying the 2020 election results and implementing pandemic restrictions, and former Representative Jim Renacci, who has embraced Trump's endorsement and his claims of a stolen election. DeWine has emphasized his experience and a record of economic growth, while Renacci has focused on cultural issues and loyalty to Trump.
Trump's Endorsement Power
Trump has endorsed Renacci, but DeWine has maintained strong support from establishment Republicans and business groups. The outcome will signal whether Trump's endorsements remain decisive in primary contests, especially after some of his picks have lost in recent elections.
Indiana Senate Primary
In Indiana, the Republican Senate primary to replace retiring Senator Mike Braun features a crowded field, with Trump's endorsed candidate, former state Representative Mike Braun, facing challenges from multiple opponents. Braun has positioned himself as a staunch conservative and Trump ally, while his rivals highlight his past support for tax increases and criticize his fundraising ties.
Key Issues
Economic concerns, inflation, and border security are top issues for voters. Candidates have sparred over trade policy, with Trump's tariff legacy a point of contention. Braun supports Trump's trade approach, while opponents argue for more free-market policies.
Michigan State Legislature
In Michigan, primary races for the state legislature will test Trump's influence on local races. Several candidates backed by Trump are challenging incumbents who voted to certify the 2020 election results or supported COVID-19 restrictions. The races could reshape the state's political landscape ahead of the 2026 midterms.
Implications for 2026
These primaries are seen as a bellwether for the 2026 midterm elections, where control of Congress and many state governments will be at stake. A strong showing for Trump-backed candidates could embolden him to seek the presidency again in 2028, while losses might diminish his influence.
Voters will also decide on local ballot measures, including school funding and tax proposals. Turnout is expected to be high, driven by intense partisan interest.



