Quad City Marathon 2025. The tbk bank quad cities marathon, a usatf certified and boston qualifier course, captures the essence of our nation’s heartland with its consistent connection to the mississippi river and midwest charm. The tbk bank quad cities marathon's fastest growing event is the mel foster half marathon.

Quad cities marathon 4:50 once and 4:40 four times; The expo was held the day prior at a large convention center in the quad cities, called the taxslayer center.