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
Race Information The race starts at 9:00 AM. Packet pickup starts 30 minutes before the race and ends 10 minutes before the race starts. All runners must register on RunSignup. No on-site registration. Additional Information The starting line is near Shelter #1. 5K & 10K Course (0.78M) https://www.mapmyrun.com/routes/view/5653980766 The course is an out-and-back (1.56M) The 5K does the out-and-back two times. The 10K does the out-and-back four times. Half Marathon Course (1.09M) https://www.mapmyrun.com/routes/view/5796493972 The course is an out-and-back (2.18M). The Half Marathon does the out-and-back six times. Course Time Limit 3 hours and 30 minutes. Finisher Medals https://usroadrunning.com/FinisherMedals.php Shirt and Gear Shop https://usroadrunning.com/Gear.php Best Costume https://usroadrunning.com/BestCostume.php Series Points https://usroadrunning.com/S.php Awards https://usroadrunning.com/Awards.php Frequently Asked Questions and Information https://usroadrunning.com/FAQ.php US Road Running https://usroadrunning.com
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.
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