Ninja 5K, 10K, & 13.1M at Corunna, MI (33)
Ninja 5K, 10K, & 13.1M offers a fast, flat out-and-back course in Corunna, MI.
Race Date
Aug 15, 2026
Location
Corunna, MI
Quick facts
- Date
- Saturday, August 15, 2026
- Location
- Corunna, Michigan
- Distance
- Half marathon (13.1 mi) + 5K, 10K
- Course
- Out & Back
- Terrain
- Road
- USATF certified
- Not listed
- Finishers on record
- 3
Highlights
Good For
Atmosphere
Course
The Experience
The Ninja 5K, 10K, & 13.1M at Corunna, MI, presents a straightforward racing experience focused on speed and simplicity. This event, now in its first year, is designed for runners seeking a flat and fast course to test their limits.
The out-and-back course structure for all distances, including the half marathon, is clearly laid out, allowing participants to gauge their progress against the turnarounds. With minimal elevation change, the ~0 ft gain and loss make it an ideal setting for those aiming for personal bests or a Boston Qualifier.
The race emphasizes efficiency, with clear instructions for packet pickup and parking. A 3-hour, 30-minute time limit accommodates a wide range of runners, and finisher medals are a key reward for completing the challenge.
Race-provided description
Race Information The race starts at 8:30 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 Use the parking lot across from the playground. The starting line is near the intersection of Village Dr. and Gov. Parsons Dr. 5K & 10K Course (0.78M) https://www.mapmyrun.com/routes/view/6606193789 This is an out-and-back course. (1.56M) The 5K does the course two times. The 10K does the course four times. Half Marathon Course (1.09M) https://www.mapmyrun.com/routes/view/6606194091 This is an out-and-back course. (2.185M) The Half Marathon does the course six times. Course Time Limit 3 hours and 30 minutes. View Race Information on US Road Running
Logistics
Race Day
Saturday, August 15, 2026
Start Time
8:30 AM
Start Location
457 Emma Dr, Corunna, MI, 48817
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
1 year running
~3 finishers a year
small race — neutral
0% returning runners
3 timing sources
runners from 1 state
winner 2:40:14
typical high 79°F
Race Day Weather
5-year historical avgStart (Low)
61°
Afternoon (High)
79°
Warm — hydration strategy is key, start conservatively
0.1"
Precipitation
10 mph
Wind
72%
Humidity
Historical Finish Times
How 3 finishers actually crossed the line across 1 year.
Most recent
2025
Total finishers
3
Median time
2:40:22
Latest turnout
3
States
1
Hover the histogram to inspect specific finish times.
Race Photos
Frequently asked
When is the Ninja 5K, 10K, & 13.1M at Corunna, MI (33)?
The Ninja 5K, 10K, & 13.1M at Corunna, MI (33) is held on Saturday, August 15, 2026, starting at 8:30 AM.
Where does the Ninja 5K, 10K, & 13.1M at Corunna, MI (33) take place?
It takes place in Corunna, Michigan.
What distances does the Ninja 5K, 10K, & 13.1M at Corunna, MI (33) offer?
The half marathon (13.1 miles), plus 5K, 10K.
Is the Ninja 5K, 10K, & 13.1M at Corunna, MI (33) course flat and good for a PR?
The Ninja 5K, 10K, & 13.1M at Corunna, MI (33) is a ultra-flat, out & back course.
How many people run the Ninja 5K, 10K, & 13.1M at Corunna, MI (33)?
HalfRuns has finish records for 3 runners who have completed the Ninja 5K, 10K, & 13.1M at Corunna, MI (33).
HalfRuns editorial — independent, no paid placement.
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