Portrait of Mark Baisley
Jeffrey Beall · CC BY 4.0 · Wikimedia Commons

Mark Baisley

VecD 61 · HeldTenD 98%Att41

Mark Baisley ran for U.S. Senate in CO in 2026 as a Republican (lost).

American politician (born 1955)

U.S. Senate - CORepublicanLostVugol ID VM-13S-K7BA FEC S6CO00507

Ran for U.S. Senate, CO, 2026 · Lost to John Hickenlooper (Democratic), 35.0% to 60.5%. Unofficial result, not yet certified. State results feed, read 2026-11-13

On the Colorado ballot, Nov 3, 2026 U.S. Senate, 6 names on the official list. Election Day has passed; see the ballot as it was.

Link: vugol.me/p/mark-baisley

Roster source: FEC filing (2026-08-26)

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Background

Mark Allan Baisley is an American politician who is a state senator from Roxborough Park, Colorado. A Republican, Baisley represents Colorado's 4th Senate district.

More

Previously, he represented Colorado House of Representatives District 39, which encompassed parts of Douglas County and all of Teller County. He is the Republican nominee in the 2026 U.S. Senate election in Colorado, challenging incumbent Democrat John Hickenlooper.

From Wikipedia, CC BY-SA 4.0 · retrieved 2026-10-31 · https://en.wikipedia.org/wiki/Mark_Baisley

Campaign finance

$138,210total raised (2026 cycle)
$110,837total spent (2026 cycle)
$27,710cash on hand (2026 cycle)

As of 2026-10-14 · Source: FEC

Sources

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