Ninja 5K, 10K, & 13.1M at Stillwater, OK (31)
Ninja races at Stillwater's Boomer Lake Park offer a scenic out-and-back course with multiple distances.
Race Date
Aug 1, 2026
Location
Stillwater, OK
Quick facts
- Date
- Saturday, August 1, 2026
- Location
- Stillwater, Oklahoma
- Distance
- Half marathon (13.1 mi) + 5K, 10K
- Course
- Out & Back
- Terrain
- Road
- USATF certified
- Not listed
- Finishers on record
- 17
Highlights
Good For
Atmosphere
Course
The Experience
Set within the picturesque Boomer Lake Park in Stillwater, Oklahoma, the Ninja race series provides a refreshing running experience. The course, a well-defined out-and-back, is designed to be fast and forgiving, making it suitable for runners aiming for personal bests across the 5K, 10K, and Half Marathon distances. The race kicks off at 8:00 AM, with packet pickup conveniently available just before the start.
Runners will appreciate the straightforward logistics and the opportunity to complete their chosen distance multiple times on the same loop. The event is hosted at Shelter #3, near the Boomer Park Splash Pad, offering a pleasant park environment for participants and spectators alike. With a generous 6-hour time limit, the Ninja series welcomes runners of all paces.
While specific details on field size and geographic draw are not provided, the US Road Running series is known for its consistent organization. Participants can look forward to finisher medals, and there's even a nod to fun with a 'Best Costume' award, adding a unique element to the race day.
Race-provided description
Race Information The race starts at 8:00 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. Price increases on the Monday before the race. Additional Information Go to Shelter #3 at Boomer Lake Park, next to the Boomer Park Splash Pad. The Splash Pad is on the West side of the lake. The address for Boomer Lake Park will take you to the East side of the lake. Google pin to race location: https://maps.app.goo.gl/vivB2aQ144e9FCcu9 5K & 10K Course (1.56M) https://www.mapmyrun.com/routes/view/5796554983 The course is an out-and-back (3.11M) The 5K does the out-and-back one time. The 10K does the out-and-back two times. Half Marathon & Marathon Course (1.64M) https://www.mapmyrun.com/routes/view/5796554377 The course is an out-and-back (3.28M). The Half Marathon does the out-and-back four times. The Marathon does the out-and-back eight times. Course Time Limit 6 hours. 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
8:00 AM
Start Location
Boomer Lake Park, Stillwater, OK, 74075
Course Info
Course Type
Out & Back
Terrain
road
Scenery
Park
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
2 years running
~8.5 finishers a year
small race — neutral
0% returning runners
3 timing sources
runners from 2 states
winner 1:57:44
typical high 94°F
Race Day Weather
5-year historical avgStart (Low)
76°
Afternoon (High)
94°
Hot conditions — adjust pace expectations, prioritize hydration
0.1"
Precipitation
10 mph
Wind
59%
Humidity
Historical Finish Times
How 17 finishers actually crossed the line across 2 years.
Most recent
2025
Total finishers
17
Median time
2:25:15
Latest turnout
9
States
5
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 Stillwater, OK (31)?
The Ninja 5K, 10K, & 13.1M at Stillwater, OK (31) is held on Saturday, August 1, 2026, starting at 8:00 AM.
Where does the Ninja 5K, 10K, & 13.1M at Stillwater, OK (31) take place?
It takes place in Stillwater, Oklahoma.
What distances does the Ninja 5K, 10K, & 13.1M at Stillwater, OK (31) offer?
The half marathon (13.1 miles), plus 5K, 10K.
Is the Ninja 5K, 10K, & 13.1M at Stillwater, OK (31) course flat and good for a PR?
The Ninja 5K, 10K, & 13.1M at Stillwater, OK (31) is a ultra-flat, out & back course.
How many people run the Ninja 5K, 10K, & 13.1M at Stillwater, OK (31)?
HalfRuns has finish records for 17 runners who have completed the Ninja 5K, 10K, & 13.1M at Stillwater, OK (31).
HalfRuns editorial — independent, no paid placement.
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