Sen. Cynthia Lummis (R-WY) announced on Friday that she will not seek re-election in 2026, saying “the energy required doesn’t match up.” “It’s an incredible honor to represent Wyoming in the U.S. Senate, and throughout my time here, Wyoming has been my one-and-only priority,” Lummis said in a statement posted to X. “Deciding not to run for reelection does represent a change of heart for me, but in the difficult, exhausting session weeks this fall I’ve come to accept that I do not have six more years left in me,” she continued. “I am a devout legislator, but I feel like a sprinter in a marathon,” the Wyoming Republican added. Thank you, Wyoming! Serving our state has been the honor of my life. – Cynthia Lummis pic.twitter.com/FoRTlHaHxI — Cynthia Lummis (@CynthiaMLummis) December 19, 2025 Fox News shared further: Lummis has been a champion for cryptocurrency legislation in the Senate, penning the GENIUS Act. The Wyoming Republican has also been an advocate for American energy during her tenure, including coal, oil and gas. Sworn in Jan. 3, 2021, Lummis is the first woman to serve as a senator for the Equality State. “Cynthia Lummis is a perfect senator for Wyoming. From Miss Frontier Days to the Wyoming Legislature to the U.S. House of Representatives and the U.S. Senate – Cynthia has never stopped fighting for the people of Wyoming,” Senate Majority Whip Sen. John Barrasso (R-WY) said. “Cynthia is a straight shooter and a trailblazer. We’re going to miss her infectious energy and iconic laugh in the halls of the U.S. Senate. I’m grateful we have another year to work side by side serving the people of Wyoming,” he added. Cynthia Lummis is a perfect senator for Wyoming. From Miss Frontier Days to the Wyoming Legislature to the U.S. House of Representatives and the U.S. Senate – Cynthia has never stopped fighting for the people of Wyoming.  Cynthia is a straight shooter and a trailblazer. We’re… — Sen. John Barrasso (@SenJohnBarrasso) December 19, 2025 The Hill noted: The move makes her the fifth Senate Republican to head for the exits next year, joining Sens. Joni Ernst (Iowa), Mitch McConnell (Ky.), Thom Tillis (N.C.) and Tommy Tuberville (Ala.). It also means another primary could be on tap. Rep. Harriet Hageman (R-Wyo.) is considered a top-tier option to run in her place next year in what is among the reddest states on the map. The primary is set for mid-August. No Democrat has held a Senate seat in Wyoming since 1977.