Democratic Sen. Chris Van Hollen faces off against Republican Chris Chaffee in Maryland’s US Senate election

Van Hollen/AP Photo; Insider Sen. Chris Van Hollen is running against Republican Chris Chaffee to represent Maryland in the US Senate.  Chaffee is a perennial candidate who’s run for various offices in Maryland over the past decade. Chaffee has not reported any fundraising activity.  Democratic incumbent Sen. Chris Van Hollen faces off against Republican Chris…

Senate Majority Leader Chuck Schumer, who is fighting to retain Democratic control of Congress’ upper chamber, faces off against Republican Joe Pinion

Hans Pennink/AP Photo; Insider Democratic Sen. Chuck Schumer is running against Republican Joe Pinion in New York’s Senate race.  Schumer is working to extend his run as senate majority leader by at least two more years. Pinion lost his last campaign, a 2018 bid for a New York assembly seat, by 20 points. Senate Majority…

Democratic incumbent Sen. Ron Wyden faces off against Republican Jo Rae Perkins in Oregon’s US Senate election

Anna Moneymaker/Getty Images; John Rudoff/Anadolu Agency via Getty Images; Insider Sen. Ron Wyden is running against Republican Jo Rae Perkins to represent Oregon in the US Senate.  Wyden has been Congress for more than 40 years overall — and in the US Senate since 1996. This is Perkins’ fourth attempt at running for political office. …

Democratic Rep. Peter Welch faces off against Republican Gerald Malloy in Vermont’s US Senate election

Wilson Ring/AP Photo; Insider Democratic Rep. Peter Welch is running against Republican Gerald Malloy to represent Vermont in the US Senate.  Welch has represented Vermont’s at-large congressional district for 15 years.  Incumbent Democrat Patrick Leahy, who has been in office since 1975, is not seeking reelection.  Democratic Rep. Peter Welch faces off against Republican Gerald…

Democratic Sen. Patty Murray faces off against Republican Tiffany Smiley in Washington’s US Senate election

Ted S. Warren/AP Photo; Jacquelyn Martin/AP Photo; Insider Sen. Patty Murray is running against Republican Tiffany Smiley to represent Washington in the US Senate.  Murray has been representing solidly blue Washington for nearly three decades.  If elected, Smiley would become the state’s first GOP senator since 2001. Longtime Democratic incumbent Sen. Patty Murray faces off…

Republican Sen. Lisa Murkowski faces off against Trump-endorsed Kelly Tshibaka and Democrat Patricia Chesbro in Alaska’s US Senate election

Mark Thiessen/AP Photo; Insider Sen. Lisa Murkowski is running against fellow Republican Kelly Tshibaka and Democrat Patricia Chesbro to represent Alaska in the US Senate.  Tshibaka is endorsed by Donald Trump, while Murkowski has the endorsements of several high-profile Democrats, including Sen. Joe Manchin.  The battle is largely between the two Republican candidates. Republican Sen….

Trump-endorsed Republican Katie Britt faces off against Democrat Will Boyd in Alabama’s US Senate election

Butch Dill/AP Photo; Will Boyd’s campaign; Insider Republican Katie Britt is running against Democrat Will Boyd to represent Alabama in the US Senate.  Britt is endorsed by Donald Trump and retiring Sen. Richard Shelby.  Britt has outraised and outspent Boyd by leaps and bounds, and is strongly favored to win.  Republican Katie Britt faces off…

Republican incumbent Sen. John Boozman faces off against Democrat Natalie James in Arkansas’ US Senate election

Sarah Silbiger/AP Photo; Danny Harris/Arkansas Secretary of State via AP; Insider Sen. John Boozman is running against Democrat Natalie James to represent Arkansas in the US Senate.  Boozman is one of 22 Republican US Senate candidates Donald Trump has endorsed.  James serves on the City of Little Rock Land Bank Commission.  Republican Sen. John Boozman…

Sen. Chuck Grassley, Iowa’s longest-serving US senator in state history, faces off against Democrat Mike Franken

Charlie Neibergall/AP Photo; Insider Sen. Chuck Grassley is running against Democrat Mike Franken in Iowa’s Senate race. Grassley is vying for a historic 8th term that would keep him in office until age 95. Former President Donald Trump won Iowa by 8 points in 2020. Sen. Chuck Grassley, the eighth-longest-serving senator in US history who…

Republican incumbent Sen. Mike Crapo faces off against Democrat David Roth in Idaho’s US Senate election

Jacquelyn Martin/AP Photo; David Roth’s campaign; Insider Sen. Mike Crapo is running against Democrat David Roth to represent Idaho in the US Senate.  If elected, Roth would become the first openly gay man to serve in the US Senate.  Crapo has far outraised and outspent Roth and is expected to serve another term.  Republican incumbent…