Looking to add some hardware to your collection? This Knoxville event lets you choose between a 5K, 10K, or half marathon, all following the same out-and-back course with different loop variations. Make sure to sign up in advance on RunSignup (no day-of registration available), arrive early for packet pickup starting 30 minutes before the 9:00 AM gun, and know that you'll have 3 hours and 30 minutes to finish.