At a glance
- Date
- Jul 17, 2027
- Location
- Glen Rose, Texas
- Distances
- 8 hr, 6 hr, 4 hr, 20K, 10K, 5K
- Elevation gain
- 650 ft
- Registration
- Closes Jul 16, 2027, via ultrasignup.com
Listed from UltraSignup. Checked Oct 18, 2026.
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Build my planAbout this race
The Night Claw is a nighttime trail race through Dinosaur Valley State Park. Choose from the 4M, 10K, 10K RUCK, 4-hour, 6-hour, or 8-hour timed races.
Key dates
Registration ends
Apr 15, 2027
Registration closes
Jul 16, 2027
Race day
Jul 17, 2027
Pricing
8 Hour
Registration, then $125 from Apr 16, 2027
$115
6 Hour
Registration, then $105 from Apr 16, 2027
$100
20K
Registration, then $95 from Apr 16, 2027
$85
4 Hour
Registration, then $95 from Apr 16, 2027
$85
10K Ruck
Registration, then $73 from Apr 16, 2027
$68
10K
Registration, then $70 from Apr 16, 2027
$65
5K
Registration, then $60 from Apr 16, 2027
$55
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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
Straight-line distance
Similar races
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Also a 10K, 72 mi from Night Claw, registration open
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Also a 10K, by Texas Outlaw Running, registration open
Rise in the Pines
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Also a 10K, the same weekend as Night Claw
Straight-line distance
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Race planning
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