Trail
50K
50 km
The Skull Games Challenge
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Trail in United States, Stillwater
Distances
Trail
25K
25 km
About
A unique endurance experience blending trail running, resilience, and tactical problem-solving. Participants choose a 25K or 50K loop-based trail race with optional challenge stations that can earn time deductions or credits through strength, focus, and teamwork tasks.
Catering & aid stations
On-course aid stations with food and drink provided at The Skull Games Challenge stations between loops.
Pacers
Pacemakers will be available for supported start waves listed on the Renntag für Laufende schedule; Pacers may earn time deductions for successful challenge completions and provide motivation and pacing guidance.
Typical weather in Stillwater
Monthly averages based on historical data (2000–present).
Jan48°30°
↑ 07:39
↓ 17:37
Feb52°33°
↑ 07:17
↓ 18:09
Mar63°44°
↑ 07:39
↓ 19:36
Apr71°52°
↑ 06:55
↓ 20:03
May79°62°
↑ 06:23
↓ 20:28
Jun88°71°
↑ 06:12
↓ 20:48
Jul93°76°
↑ 06:24
↓ 20:46
Aug92°75°
↑ 06:48
↓ 20:19
Sep85°67°
↑ 07:12
↓ 19:36
Oct73°55°
↑ 07:36
↓ 18:53
Nov60°44°
↑ 07:06
↓ 17:21
Dec50°34°
↑ 07:33
↓ 17:16
Last updated: Jun 6, 2026, 12:04:40 AM
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