

Ninja 5K, 10K, & 13.1M at Knoxville, TN (33)
Knoxville's Ninja races offer a fast, out-and-back course with a festive atmosphere.
Race Date
Aug 15, 2026
Location
Knoxville, TN
Quick facts
- Date
- Saturday, August 15, 2026
- Location
- Knoxville, Tennessee
- Distance
- Half marathon (13.1 mi) + 5K, 10K
- Course
- Out & Back
- Terrain
- Road
- USATF certified
- Not listed
Highlights
Good For
Atmosphere
Course
The Experience
The Ninja series in Knoxville, TN, presents a straightforward out-and-back course designed for speed. Runners can choose from 5K, 10K, and half marathon distances, all starting near Shelter #1. The courses are certified and known for their flat profiles, making them ideal for those chasing personal bests.
Participants can expect a lively atmosphere, with awards for top finishers and a special recognition for the best costume, adding a fun element to race day. The half marathon course has a generous time limit of 3 hours and 30 minutes, welcoming a wide range of runners.
Finishing this race means earning a distinctive medal, a tangible reward for your effort. The series is organized by US Road Running, known for its consistent race production and focus on runner experience.
Race-provided description
US Road Running Races US Road Running races are built for runners and walkers who like friendly, low-pressure race days with just enough competition to keep things exciting. Our events are local, welcoming, and easy to jump into, whether you are chasing a PR, collecting another themed medal, working toward series points, or just getting outside with good people. Most races are small enough to feel personal but organized enough to feel official. You can expect a clear course, helpful race staff, finisher medals, results, and a relaxed community feel. Bring your fast shoes, your steady walking pace, your favorite running buddy, or your best “I signed up for this on purpose” smile. We will be glad to see you at the start line. A quick race-day note: because many US Road Running events are small local races, we normally have one or two staff members at each race. EMS is not stationed on site, and water stations are limited to the finish area at the end of each lap and at the race finish. Please plan for the weather, bring anything you may want between laps, and check in with race staff if you need help. View Race Course, Results, and Race Information on the US Road Running race page.
Logistics
Race Day
Saturday, August 15, 2026
Start Time
9:00 AM
Start Location
Holston River Park, Knoxville, TN, 37914
Course Info
Course Type
Out & Back
Terrain
road
Surface
Paved
Difficulty
Ultra-Flat
Net Drop/km
0 m (Flat)
Separation
0.0%
Also Offers
Course Map
1 other map for this race
Quality Score
first year
no finisher counts yet
small race — neutral
needs a few years of results
3 timing sources
no finisher data yet
no winner time yet
typical high 86°F
Race Day Weather
5-year historical avgStart (Low)
69°
Afternoon (High)
86°
Hot conditions — adjust pace expectations, prioritize hydration
0.2"
Precipitation
8 mph
Wind
74%
Humidity
Race Photos
Frequently asked
When is the Ninja 5K, 10K, & 13.1M at Knoxville, TN (33)?
The Ninja 5K, 10K, & 13.1M at Knoxville, TN (33) is held on Saturday, August 15, 2026, starting at 9:00 AM.
Where does the Ninja 5K, 10K, & 13.1M at Knoxville, TN (33) take place?
It takes place in Knoxville, Tennessee.
What distances does the Ninja 5K, 10K, & 13.1M at Knoxville, TN (33) offer?
The half marathon (13.1 miles), plus 5K, 10K.
Is the Ninja 5K, 10K, & 13.1M at Knoxville, TN (33) course flat and good for a PR?
The Ninja 5K, 10K, & 13.1M at Knoxville, TN (33) is a ultra-flat, out & back course.
HalfRuns editorial — independent, no paid placement.
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