For Additional Preliminary Information contact the individual organizers or:
| Preliminary | Date | Location | City | Promoter | Winner |
| Miss Congeniality | Sunday December 16, 2007 | Studio 13 | Iowa City, IA | Ophelia Payne | Evian Cass |
| Miss River Cities | Sunday January 20, 2008 | Studio 13 | Iowa City, IA | Travis Waterhouse | Dominique Cass |
| Miss Cedar Valley | Sunday February 24, 2008 | Studio 13 | Iowa City, IA | Holli Day | Jewels |
| Miss Northeastern | Sunday February 24, 2008 | Studio 13 | Iowa City, IA | Holli Day | Nikki Rene Scott |
| Miss Cedar Rapids | Friday February 29, 2008 | Club Basix | Cedar Rapids, IA | Rob Caraway | Sasha B. |
| Miss Aurora Borealis | Sunday March 16, 2008 | Studio 13 | Iowa City, IA | Dena Cass | Holli Day |
| Miss Studio 13 | Sunday March 23, 2008 | Studio 13 | Iowa City, IA | Studio 13 | Lady Niema |
| Miss Des Moines | Sunday April 20, 2008 | Garden Nightclub | Des Moines, IA | Ross Wallace | Michelle Knight |
| Miss Midwest Iowa | Sunday April 20, 2008 | Studio 13 | Des Moines, IA | Dena Cass | Monica Starr |
| Miss Ames | Thursday May 8, 2008 | Bali Nightclub | Ames, IA | Vanessa Taylor | Marissa Grey-Cavalier |
| Miss Iowa City Diamond | Friday May 9, 2008 | Studio 13 | Iowa City, IA | Travis Waterhouse | Alexandria Grey |
| Miss Glamour | Sunday May 25, 2008 | Club Fusion | Davenport, IA | Jamie Summers | Akasha Naphonix |
| Miss Northwestern Iowa | Saturday May 31, 2008 | Jones St. Station | Sioux City, IA | Martina Shakers | Madison Cavalier |
| Miss Vogue | Sunday June 1, 2008 | Des Moines, IA | Dena Cass | Ophelia Payne | |
| Miss Pride of Iowa | Sunday June 22, 2008 | Studio 13 | Iowa City, IA | Studio 13 | Kennedy Cass |
| Miss Red, White, & Blue | Saturday July 5, 2008 | Club Basix | Cedar Rapids, IA | David Tollefson | Jhazmine Monroe-Love |
| Miss Southern Iowa | Wednesday July 9, 2008 | Cedar Rapids, IA | Dena Cass | Chantel Starr | |
| Miss Five Seasons | Saturday July 26, 2008 | Club Basix | Cedar Rapids, IA | Rita Wall | Kenya Love & Scarlet (Alt) |
| Miss Council Bluffs | Friday August 15, 2008 | Council Bluffs, IA | Dena Cass | Alexis Sycamore | |
| Miss Mary's | Friday September 5, 2008 | Hamburger Mary's | Cedar Rapids, IA | Hamburger Mary's | Laken Lakes |
| Miss Sex & The City | Saturday September 5, 2008 | Club Basix | Cedar Rapids, IA | Prettybelle | Cheyan Sweet |
| Miss Cosmopolitan | Saturday September 6, 2008 | Club Basix | Cedar Rapids, IA | Kylie Cass | Candice Kiss |
| Miss Iowa City | Sunday September 14, 2008 | Studio 13 | Iowa City, IA | Studio 13 | Luscious |
| Miss Black & Gold | Sunday September 14, 2008 | Studio 13 | Iowa City, IA | Studio 13 | Kinky Kitten Carmichael |
| Miss Last Minute | Thursday October 2, 2008 | Club Basix | Cedar Rapids, IA | Dena Cass | TBA |