November 3, 2026Updated daily

Kansas Senate

Marshall wins 66 of 100 simulated elections

The simulation rates Kansas likely Republican. The middle simulated result is R+1.9, and 8 in 10 fall between R+8.5 and D+4.7.

DEM WINS

REP WINS

34

66

of 100 simulations, 3 Nov

Adam Hamilton (D) vs. Roger Marshall (R)

If the election were today: Marshall, 54 in 100

Beside the benchmarks

Our simulation, Nov. 3Hamilton 34 in 100
Statistics only, no simulationHamilton 32 in 100
Prediction marketsHamilton 38%
Poll averageD+1.4
Cook Political ReportToss-up

The spread

100 of the 40,000 simulated elections

Each dot is one simulated election, placed by its margin.

R+20TIED+20← MARSHALL WINSHAMILTON WINS →

Margin

Our range beside the poll average

Bars run from the 10th to the 90th percentile; the dot is the middle result.

R+10TIED+10Simulation, Nov. 3If the election were todayStatistics onlyPoll average

Over time

Hamilton's chance in 100

The shaded band is the toss-up zone, 45 to 55.

The 3 Nov forecastIf the election were today
025507510012 Oct13 Oct34

What moved it

The news, as the voter personas reacted to it

No story moved this race today.

What the news is worth.All news so far moves the Nov. 3 margin by D+0.3 (0.1 from switching, 0.2 from turnout). If news matters less, Hamilton wins 32 in 100; if it matters more, 36.

Other close races

Adam Hamilton is the Democrat. Incumbent renominated. How the simulation works

Social simulation, not a pollTue, 13 Oct 2026