Walters swam across a rough Lake Mille Lacs with 3-foot waves. He covered 14 miles and raising about $20,000 in pledges. Walters swam on and off from about 6:30 p.m. Aug. 16 to 2:30 a.m. Aug. 17, spent a bumpy night on a pontoon and then continued to swim on and off between 8 a.m. and 10 p.m. on Aug. 17 before reaching shore.