| Mar 1 2007 - 12:00am | Campaign Fundraising Begins for 2008 Election |
| Nov 9 2007 - 5:00pm | Full Time Campaign Staff Hired |
| Feb 2 2008 - 6:00pm | Madsen Campaign Attends Utah County Republican Party Lincoln Day Dinner |
| Feb 11 2008 - 11:00am | Sen. Madsen Meets with District 13 Mayors at the Capitol |
| Mar 7 2008 - 1:00pm | Mark Files for Candidacy |
| Mar 11 2008 - 2:00pm | Sen. Madsen Attends UDOT Meeting to Discuss Utah County Transportation Needs |
| Mar 25 2008 - 7:00pm | Precinct Caucuses. Become a delegate! |
| May 10 2008 - 12:00am | Utah Republican Party State Convention, Utah Valley State College |
| Nov 4 2008 - 12:00am | General Election |