On Wednesday, the first lady will be in Fountain and Durango, and on Thursday, she will be in Douglas County talking to supporters.

Vice President Joe Biden plans to stop in Boulder for a fundraising event for Obama on Oct. 16.

This year, Colorado is a hotly contested battleground in the race between Obama and Republican Mitt Romney. The two men held the first of their debates in Denver last week.

(Copyright 2012 by The Associated Press. All Rights Reserved.)