Sen. Mark Udall (D-CO) has a six point lead over challenger Rep. Cory Gardner (R-CO) in the Colorado Senate race, according to a NBC/Marist poll released on Sunday.
Among likely voters, 48 percent said they would vote for Udall and 42 percent said they would vote for Gardner. And with registered voters, Udall led gardner by eight points.
Before the NBC poll, TPM’s Polltracker average had Udall leading the race by just one point. In a July NBC/Marist poll, Udall had a seven point lead over Garnder with registered voters.
NBC/Marist surveyed 795 likely voters in Colorado with a margin of error plus or minus 3.5 percentage points and 976 registered voters with a margin of error plus or minus 3.1 percentage points. The poll was conducted Sept. 2-4 via phone.
