

Ninja 5K, 10K, & 13.1M at Knoxville, TN (31)
Knoxville's Ninja Half Marathon offers a unique out-and-back challenge with a festive atmosphere.
Race Date
Aug 1, 2026
Location
Knoxville, TN
Quick facts
- Date
- Saturday, August 1, 2026
- Location
- Knoxville, Tennessee
- Distance
- Half marathon (13.1 mi) + 5K, 10K
- Course
- Out & Back
- Terrain
- Road
- USATF certified
- Not listed
- Finishers on record
- 22
Highlights
Good For
Atmosphere
Course
The Experience
The Ninja Half Marathon in Knoxville, TN, presents a unique out-and-back course designed for speed and participation. Runners can expect a straightforward race day, with packet pickup conveniently available just before the 9:00 AM start time. The course, primarily an out-and-back, is repeated multiple times for the 5K, 10K, and half marathon distances, offering a consistent running experience.
This event draws participants from approximately 4 states, contributing to a steady field size. With a generous 3-hour and 30-minute time limit, it welcomes runners of various paces. The series emphasizes fun and community, with awards for best costumes adding a playful element to the competition.
Finishing the race earns runners a commemorative medal, and the event is part of a larger series that tracks points for participants. While specific details on past editions are limited, the event aims to provide a well-organized and engaging race day for all involved.
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 1, 2026
Start Time
9:00 AM
Start Location
Holston River Park, Knoxville, TN, 37914
Course Info
Course Type
Out & Back
Terrain
road
Difficulty
Ultra-Flat
Net Drop/km
0 m (Flat)
Separation
0.0%
Also Offers
Course Map
1 other map for this race
Quality Score
2 years running
~11 finishers a year
small race — neutral
0% returning runners
3 timing sources · 4 photos
runners from 4 states
winner 1:44:54
typical high 87°F
Race Day Weather
5-year historical avgStart (Low)
70°
Afternoon (High)
87°
Hot conditions — adjust pace expectations, prioritize hydration
0.2"
Precipitation
8 mph
Wind
77%
Humidity
Historical Finish Times
How 22 finishers actually crossed the line across 2 years.
Most recent
2025
Total finishers
22
Median time
2:21:54
Latest turnout
11
States
9
Turnout by year
2024–2025
Hover the histogram to inspect specific finish times.
Race Photos
Frequently asked
When is the Ninja 5K, 10K, & 13.1M at Knoxville, TN (31)?
The Ninja 5K, 10K, & 13.1M at Knoxville, TN (31) is held on Saturday, August 1, 2026, starting at 9:00 AM.
Where does the Ninja 5K, 10K, & 13.1M at Knoxville, TN (31) take place?
It takes place in Knoxville, Tennessee.
What distances does the Ninja 5K, 10K, & 13.1M at Knoxville, TN (31) offer?
The half marathon (13.1 miles), plus 5K, 10K.
Is the Ninja 5K, 10K, & 13.1M at Knoxville, TN (31) course flat and good for a PR?
The Ninja 5K, 10K, & 13.1M at Knoxville, TN (31) is a ultra-flat, out & back course.
How many people run the Ninja 5K, 10K, & 13.1M at Knoxville, TN (31)?
HalfRuns has finish records for 22 runners who have completed the Ninja 5K, 10K, & 13.1M at Knoxville, TN (31).
HalfRuns editorial — independent, no paid placement.
Explore More Journeys
Can't make it to Knoxville? Discover other experiences that match your running style.
Search All Races
