Radio Iowa You are here: Home New title sponsor for Des Moines Marathon The IMT Des Moines Marathon announced that it is partnering with DMOS Orthopaedics as the title sponsor of the DMOS Orthopaedics Sports & Fitness Expo through 2023. “We are very proud to be working with DMOS Orthopaedics and their grassroots efforts to support high-quality racing events and activities in our community,” said Chris Burch, Director of Racing and Events. “We are constantly striving to connect our athletes with the experts within the community, and today, we have accomplished just that. DMOS Orthopaedics will serve as the title sponsor of the DMOS Orthopaedics Sports & Fitness Expo for the next three years.”