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By Sam Stevenson
Associate News Editor
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Mary Peltola is the early front-runner in Alaska's chaotic 2026 Senate race, with betting markets and recent polls both suggesting the Democrat holds a narrow but real edge over Republican incumbent Dan Sullivan—even as a second man named Dan Sullivan threatens to scramble the math.
Incumbent Republican Senator Dan Sullivan advanced from Alaska's all-party primary this week, setting up a general-election clash with Democrat Mary Peltola that polling suggests could be decided by the slimmest of margins.
- An Alaska Survey Research poll finds Peltola leading Dan S. Sullivan 50.8 percent to 49.2 percent in the final ranked-choice round.
- Data for Progress showed Peltola winning the final round 53 percent to 47 percent, with minor candidates having a "small but meaningful" effect.
- Prediction market Kalshi gives Peltola a 61 percent chance of winning, against 41 percent for Sullivan.
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Control of a competitive Senate seat may hinge on a quirk of Alaska's ranked-choice system—and on whether the fourth and final general-election slot goes to a Republican or a Democrat.
Peltola, Sullivan and Alaska voters all face a general election whose shape is still being determined by a handful of ballots, with national implications for the Senate balance of power.
Newsweek contacted Peltola and incumbent Senator Sullivan’s campaigns for comment via email on Wednesday morning and is awaiting responses.
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Why It Matters
Alaska sends its top four primary finishers to a ranked-choice general election, a system that rewards candidates who can win second- and third-choice support.
Peltola built a national profile by winning a U.S. House seat under those same rules before losing it, and she is now betting the mechanics can work for her again.
Where the Vote Stands
With 88 percent of ballots counted as of August 26, Peltola led with 48.2 percent, followed by incumbent Dan S. Sullivan at 42.6 percent and retired teacher Daniel J. Sullivan Jr. at 2.5 percent, per AP estimates.
Peltola, Sullivan and the second Sullivan have clinched three of the four general-election slots.
The 19-Vote Question
The final spot is a near-tie between Republican Gerald L. Heikes and Democrat David B. Leslie, both hovering around 1.1 percent.
In raw terms, roughly 19 votes separate a final four of two Democrats and two Republicans from one featuring a single Democrat and three Republicans—two of whom share a name.
Counterintuitively, Peltola may prefer Heikes.
A three-Republican field would splinter conservative first-choice votes among several candidates before those ballots eventually consolidate behind Sullivan, while Peltola stands alone as her party's flag-bearer.
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What the Polls Say
Alaska Survey Research put Peltola ahead of Sullivan 50.8 percent to 49.2 percent in the decisive ranked-choice round, hinting she already has a path to victory.
It surveyed 1,371 likely voters from August 2-5, 2026, and had a margin of error of plus or minus 3 percentage points.
Data for Progress reached a similar conclusion, with Peltola prevailing 53 percent to 47 percent in its final-round survey.
That poll was conducted from July 28 to August 4, 2026, among 605 likely voters in Alaska, with a margin of error of plus or minus 4 percentage points.
It found Daniel J. Sullivan Jr. and Heikes combining for 7 percent of first-choice votes—enough, the pollsters warned, to produce a "small but meaningful" effect in a race this tight.
The Other Sullivan
The retired teacher on the ballot as Daniel J. Sullivan Jr. has become the race's flashpoint.
Arkansas Senator Tom Cotton branded his candidacy a "disgrace" designed to fool voters.
Former staffers for President Donald Trump and Florida Governor Ron DeSantis accused those behind it of cheating, and conservative writer Ryan Saavedra declared on X that "what is happening in Alaska is illegal."
Peltola and the Alaska Democratic Party have repeatedly denied any involvement.
District-level results are likely to keep those suspicions alive.
In the 10 House districts where Peltola performs best, the second Sullivan averages about 3 percent, compared with roughly 1.9 percent in her 10 weakest districts—a pattern consistent with, though not proof of, tactical Democratic voting meant to elevate him into the final four.
What the Markets Think
Prediction platform Kalshi reflects the same cautious optimism for Peltola, pricing her at a 61 percent chance to win the seat versus 41 percent for Sullivan, with third-party Democrat Ann Diener registering a fraction of a percent. Trading volume on the market has topped $164,000.
What Happens Next
If Peltola wins by fewer votes than Daniel J. Sullivan Jr. draws away from the Republican column, Alaska's strangest Senate contest may not be settled at the ballot box at all.
It could instead spill into a fight among lawyers, judges and partisan operatives well after Election Day on November 3.
Contact Newsweek editors on this story: Daniel Orton and James Debens
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