The Skull Games Challenge - Nov takes place on November 21st in Stillwater, Oklahoma, United States this year, offering two challenging ultra-distance options for runners seeking a grueling experience along the trails. On race morning at around 7 am, participants will gather near the starting point located off W Hwy 51. The trail conditions are firm and slightly soft according to typical November weather patterns in Stillwater, providing a surface that is neither too muddy nor overly hard-packed for running shoes. With an expected UV index of Low (2.0), runners can expect comfortable morning sun exposure without the risk of intense heat or excessive sunlight. The Skull Games Challenge - Nov has been organized annually since 2015 by local trail enthusiasts and community supporters, attracting a diverse group of participants each year. The event includes both recreational runners aiming to complete the challenging terrain and seasoned ultra-runners looking for their next conquest. Proceeds from registration fees are used towards supporting outdoor conservation efforts in Stillwater. The Skull Games Challenge - Nov offers two grueling distances: 25K and 50K, winding through scenic trails that showcase Oklahoma's natural beauty while testing runners' physical limits. The course features rugged terrain with steep climbs and descents, challenging the endurance of even experienced trail runners. Runners will begin at the designated start line on W Hwy 51 in Stillwater and navigate a looped route designed to provide varied elevation changes throughout the race distance. Aid stations are positioned strategically along both distances to offer water refills and basic medical support as needed during the event. The layout emphasizes technical trail running, with tight turns and uneven footing presenting additional challenges. Participants can expect typical November weather conditions in Stillwater featuring a firm but slightly soft terrain underfoot. With an expected UV index of Low (2.0), runners should prepare for comfortable morning temperatures without excessive heat or sunlight exposure during the race period. The risk of precipitation is minimal, ensuring that trail surfaces remain dry and runnable throughout the day. The Skull Games Challenge - Nov offers two distances: a 25K run and a 50K challenge.
The Skull Games 25K - Nov 25K • Start: 06:30:00 • Fee: $100.00
The Skull Games Challenge 50K - Nov 50K • Start: 06:30:00 • Fee: $100.00
Registration can be completed through the event's official website at https://ultrasignup.com/register.aspx?did=136597. Fees for both events are set at $100, with registration deadlines approaching as race day draws near. Participants should note that early sign-up is recommended due to limited capacity and popularity of these challenging distances. For bib pickup, runners must attend a designated location in Stillwater one week prior to the event or on-site morning of the race starting around 6 am. A valid photo ID will be required for verification purposes along with proof of registration payment if not already completed online ahead of time. The start line is located at 11000 W Hwy 51, where participants can gather before the official start times and begin their journey through Stillwater’s challenging trail system. Age requirements specify that runners must be at least sixteen years old to participate in either distance offered by The Skull Games Challenge - Nov. The Skull Games Challenge - Nov returns to Stillwater on November 21st with two ultra-distance options, providing a unique test of endurance and skill for experienced trail runners looking to challenge themselves against Oklahoma's varied terrain.
Races Offered
The Skull Games 25K - Nov
Nov 21, 2026
straighten
Distance —
25K
terrain
Type —
Running
timer
06:30
sell
$100.00
The Skull Games Challenge 50K - Nov
Nov 21, 2026
straighten
Distance —
50K
terrain
Type —
Running
timer
06:30
sell
$100.00
Weather History
These values represent the 3-year monthly averages for November in Stillwater.
thermostatTemperature
6.9° / 17.4°
wb_sunnyFeels like
3.6° / 14.1°
light_mode
Avg sunshine hours
8h 4m
water_drop
Avg rainfall
2.9 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
12.8 km/h (Gentle breeze)
opacity
Sweat loss rate
Low
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Low (2.0)
humidity_mid
Humidity
67.3%
wb_twilight
Sunrise
08:05
nightlight
Sunset
18:20
About Stillwater
Learn more about the host city, Stillwater.
Stillwater, in the Frontier Country region of Oklahoma, is home to Oklahoma State University (OSU). It has a distinct small town feel combined with a uniquely welcoming mid-west atmosphere, and OSU brings a young diverse population further enriching the city's culture. The population of 50,000 (2019) varies depending on the time of year from a peak during OSU's homecoming football weekend to the less crowded summer when most students are on break. Stillwater has several districts each with their own unique atmosphere and places to enjoy. Whether you are looking to shop in Downtown Stillwater's boutique shops, enjoy outdoor recreation on the edge of town, or wanting to live it up at a famous bar on The Strip, Stillwater has a place for everyone.