Half Marathon at Holston River Park

The Ninja 5K, 10K, & Half Marathon at Holston River Park in Knoxville, TN, is set to take place on August 2, 2025. This exciting running event features three race options: a 5K, a 10K, and a Half Marathon, all following an out-and-back course. Participants can enjoy themed finisher medals and have the opportunity to win a best costume award.

The event encourages runners to register in advance through RunSignup, as there is no on-site registration available. The race is part of the US Road Running Race Series, allowing participants to earn points towards their standings. Visit the organization's website for the most recent information.