May 26, 2026 - Mike Rounds, who is seeking a third, six-year term, holds a comfortable lead over his GOP primary challenger, Justin McNeal, a Navy veteran and business owner from Rapid City, according to the latest poll from News Watch and the Chiesman Center ...

March 15, 2026 - WATERTOWN, S.D. — Navy veteran and South Dakota entrepreneur Justin McNeal says he will challenge U.S. Sen. Mike Rounds in the Republican primary, casting himself as a grassroots alternative to the two-term incumbent.

April 12, 2026 - The field vying for one of the state’s two U.S. Senate seats grew recently with a candidate announcement by Justin McNeal, a Republican from Rapid City. His announcement sets up a potential June 2, 2026, primary race pitting him against incumbent ...

May 31, 2026 - McNeal, 42, faces Sen. Mike Rounds in the primary.

ReviewedRepublicanU.S. Senate · South Dakota · Justin McNeal is a U.S. Navy veteran and Rapid City entrepreneur mounting a Republican primary challenge to two-term incumbent Mike Rounds for South Dakota's U.S. Senate seat.

April 18, 2026 - SIOUX FALLS, S.D. (KELO) — Come ... the state in the U.S. Senate, with incumbent Mike Rounds of Fort Pierre running for reelection against challenger Justin McNeal of Rapid ......

May 26, 2026 - Mike Rounds, who is seeking a third, six-year term, holds a comfortable lead over his GOP primary challenger, Justin McNeal, a Navy veteran and business owner from Rapid City, according to the latest poll from News Watch and the Chiesman Center ...

March 7, 2026 - Navy Veteran and Entrepreneur Justin McNeal Launches Primary Challenge Against Senator Mike Rounds

May 29, 2026 - The two Republicans running are current U.S. Senator Mike Rounds and U.S. Navy veteran Justin McNeal.

May 24, 2026 - Justin McNeal is running for US Senate against incumbent Sen. Mike Rounds, join us as we learn more about his take on the national debt, recent wars and more.

March 2, 2026 - Navy Veteran and Entrepreneur Justin ... Republican primary, Navy veteran and local business owner Justin McNeal has announced his candidacy for the U.S. Senate....

Justin McNeal, of Rapid City, is a Navy veteran and businessman who most recently founded Dakota BioChar, which aims to convert forest waste into material that can be spread on agricultural fields to improve soil health. ... Mike Rounds, of Fort Pierre, has served in the U.S. Senate since 2015 after previously serving eight years as governor and 10 years in the Legislature.

2 days ago - ↑ "Campaign roundup: Republican announces for US Senate, other races grow, polls and money info emerge". South Dakota Searchlight. November 1, 2025. Retrieved November 2, 2025. ↑ staff, Dakota News Now (April 5, 2026). "Justin McNeal to appear on ballot for US Senate in June 2 primary".

June 1, 2026 - SIOUX FALLS, S.D. (KELO) — U.S. Senator Mike Rounds is up for re-election and will face challenger Justin McNeal for the Republican nomination in Tuesday’s primary. Rounds, a Fort Pierr…

Julian Beaudion is running in the Democratic primary for U.S. Senate South Dakota on June 2, 2026. Incumbent Mike Rounds and Justin McNeal are running in the Republican primary for U.S.

April 17, 2026 - ABERDEEN, S.D. (KELO) — Justin McNeal, the Republican challenger to Republican U.S. Sen. Mike Rounds, wants a debate between the two before South Dakota’s June 2 primary election that will decide who will be the GOP candidate on the November ...

October 26, 2025 - McNeal has filed paperwork to run in the Republican primary against incumbent United States Senator Mike Rounds. If you’ve already forgotten, President Trump already made a strong endorsement of Senator Rounds in late July.

Julian Beaudion is running in the Democratic primary for U.S. Senate South Dakota on June 2, 2026. Incumbent Mike Rounds and Justin McNeal are running in the Republican primary for U.S.

June 3, 2026 - SIOUX FALLS, S.D. (KELO) — Mike Rounds was declared the winner of the U.S. Senate GOP primary by the Associated Press Tuesday night. Results as of 8:15 CST showed Rounds with 77% of the vote. Challenger Justin McNeal has 23%, according to ...