Orange Dirt Trail Series
Oct 17Stillwater, OKMarathon, Half Marathon +2
Half Marathon, 5 weeks before race day, 8 mi away, registration open
50K25KClosed
The Skull Games Challenge - Nov
Stillwater, Oklahoma
- Days to go
- 46
At a glance
- Date
- Nov 21, 2026
- Location
- Stillwater, Oklahoma
- Distances
- 50K, 25K
- Registration
- Registration closed Aug 28, 2026, via ultrasignup.com
- Official site
- everfurther.net
- Listed from
- UltraSignup
- Last checked
- Oct 5, 2026
Plan this race for free
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Build my planAbout this race
A unique endurance experience blending trail running, resilience, and tactical problem-solving with optional challenge stations between loops that can earn time deductions.
Key dates
Registration closes
Aug 28, 2026
Race day
Nov 21, 2026
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Registration openings and major changes, like a new date or a cancellation.
Entry transfers
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Tune-up races
Haunted 5K, 10K, & 13.1M at Sapulpa, OK (41)
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Half Marathon, 6 weeks before race day, 62 mi away, registration open
Spooky Sprint- Tulsa
Oct 10Tulsa, OKHalf Marathon, 10K +2
Half Marathon, 6 weeks before race day, 68 mi away, registration open
OKLAHOMA CITY TRAIL RUNNING FESTIVAL
Oct 10Guthrie, OK50K, 35K +2
21.8 mi, 6 weeks before race day, 20 mi away, registration open
Straight-line distance
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Orange Dirt Trail Series
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Race planning
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