Half Marathon at Holston River Park

The Ninja 5K, 10K, and Half Marathon at Holston River Park in Knoxville, Tennessee, is a scenic running event featuring out-and-back courses. The 5K course is completed twice, the 10K four times, and the half marathon six times, all within a 3.5-hour time limit. Held at Holston River Park, the race encourages participants to wear costumes, with a best costume award given at the start.

All finishers receive themed medals. The event is part of the US Road Running Race Series, offering points toward the series standings. The race atmosphere is festive and community-oriented, set in a beautiful park location. Visit the organization's website for the most recent information.