Colorado 1
Christy Peterson (R) vs Melat Kiros (D).
Called by the AP: Melat Kiros (D). Melat Kiros (D) 78.3%; Christy Peterson (R) 13.9%. Source: The Associated Press.
Cook: Solid D. Public polls: 0.
Atlas pre-election model — built only from data frozen on October 29, 2026; first published November 3 after polls closed, so it is a test of the method, not a prediction. Republican chance in that model: 0%.