US Road Running - Knoxville

AUG

15

2026

Choose your distance at the Ninja run in Knoxville's Holston River Park. The event features a 5K, 10K, and half marathon on a shared out-and-back course. Online registration is required, and all finishers receive a medal.

Sat 15 Aug 2026

Knoxville, Tennessee

Registration

13 miles 10 kilometers 5 kilometers

Always double-check with the organizer's website! This page may contain affiliate links.

Event Overview

The Ninja running event takes place on Saturday, August 15, 2026, at Holston River Park in Knoxville, Tennessee. The event offers three distance options: a 5K, a 10K, and a Half Marathon. All three races start together.

Course Details

The race courses are out-and-back layouts along the same route. The 5K requires runners to complete the loop two times. The 10K is four loops of the same course. The Half Marathon consists of six loops. The starting line is located near Shelter #1 at Holston River Park. There is an overall course time limit of 3 hours and 30 minutes.

Registration and Logistics

Registration for this event is handled exclusively online via RunSignup. On-site registration is not available. Packet pickup begins 30 minutes before the race start and closes 10 minutes before the start. The event organizer is US Road Running, which provides finisher medals and awards categories for best costume and series points. Visit the organization's website for the most recent information.

13 mi

Half Marathon

10 km

10k

5 km