The Commercial Appeal, Memphis, Tenn., Party Line column.(Column)

Byline: Michael Donahue

July 05--A large star-spangled banner hung above the starting line while the song of the same name played Sunday at the Comcast Firecracker 5K Run for St. Jude in front of The Racquet Club of Memphis. Runners and walkers held their hands to their hearts, but after the song was over, they concentrated on their feet. About 2,000 people participated in the race. They were off and running/walking as The Black Eyed Peas recording of "I Gotta Feeling" played. The chorus, "Tonight's gonna be a good night," came true for Lucas Cotter, 19, who was the first to finish 15 minutes and 48 seconds later. "It was humid," Lucas said, adding, "It wasn't too …