Bringing together runners from twenty different states is no easy task! Many partners and running organizations have teamed up to host the River to River Runners Rend Lake Marathon. The U.S. Army Corps of Engineers at Rend Lake in partnership with the River to River Runners, the Road Runners Club of America, Rend Lake Conservancy District, and Ashworth Awards will host the race on Saturday, March 26. The River to River Runners Rend Lake Marathon event is excited to bring back the Southern Illinois favorite running tradition to the backroads, trails, and through beautiful Rend Lake. The event will include races and festivities for everyone in the family.