
Endorsements are one of the ways voters learn who candidates are and what they stand for. They can be particularly useful for voters in two types of elections: in partisan primaries, when voters may find it difficult to discern differences between candidates with the same party affiliation, and in nonpartisan local elections, when party labels…

Incumbent Marie Gluesenkamp Perez (D) and John Braun (R) advanced from the top-two primary in Washington's 3rd Congressional District on August 4, 2026. Perez and Braun defeated seven other candidates. As of July 2026, Perez, Braun, and Brent Hennrich (D) led in fundraising and local media attention. The Oregonian's Betsy Hammond said Perez "is one…

In 2026, 25% of the state legislative incumbents running for election in New Hampshire will face primary contests, a record low since 2010. In total, 77 incumbents face contested primaries across the New Hampshire House and Senate. The average number of incumbents contested each year from 2010 to 2024 was 111. Sixteen of the contested…

Four hundred twenty-two candidates, the second most in any year since 2010, are running in Missouri’s Aug. 4 primaries. All 163 seats in the Missouri House of Representatives and 17 seats in the Missouri Senate are up for election this year. There are 62 open seats with no incumbent running for re-election. This is the…

Six Democratic primaries for the Massachusetts Senate are scheduled for September 1, 2026. All 40 seats are up for election in the chamber, in which Democrats have a 35-5 majority. All six of those primaries qualified as battlegrounds under Ballotpedia’s battleground primary criteria. Two are open-seat contests — the 2nd Middlesex District and the 5th…

Victor Marx (R) defeated Scott Bottoms (R), Barbara Kirkmeyer (R), and Kelvin Wimberly (write-in) in the Republican primary for governor of Colorado on June 30, 2026. Incumbent Gov. Jared Polis (D) was term-limited. Bottoms, Kirkmeyer, and Marx led in fundraising and media attention. Axios Denver's John Frank wrote that the candidates were ideologically divided. Frank…

This year's filing deadline for candidates running for the U.S. House of Representatives in New Hampshire was June 12, 2026. This year ties with 2024 for the highest number of contested primaries since 2014. In total, four primaries — two Democratic and two Republican — are contested this year. In total, there were four contested…

Four candidates are running in the Republican primary for Florida's 7th Congressional District on August 18, 2026. Two candidates have led in media attention: Incumbent Cory Mills (R) and Ryan Elijah (R). Mills has been under investigation by the House Ethics Committee since 2025. According to Politico's Hailey Fuchs, Mills "allegedly held weapons contracts with…

Incumbent Richard Neal and Jeromie Whalen are running in the Democratic primary for Massachusetts' 1st Congressional District on Sept. 1. The election reflects nationwide trends of younger, more progressive Democrats challenging long-serving incumbents. The Boston Globe's Anjali Huynh writes, "As Democrats nationwide struggle to define their party identity, Massachusetts is confronting a rare phenomenon: a…

Candidates who Donald Trump (R) endorsed in 2026 primaries have won 220 of 227 (97%) of their races so far — one percentage point less than the 2020 election cycle, when 98% of Trump-endorsed candidates won their primaries. Those figures include scenarios in which Trump endorsed two candidates in the same race. In total, Trump…