Dark Sky Challenge
12 & 6 Hour Adventure Race
August 9, 2025
The Dark Sky Challenge adventure race will take place on August 9, 2025. Beat the heat and race the sunrise. The race will start at San Felasco Hammock Preserve State Park in Gainesville, Florida. Join us for fast rolling single track and beautiful trekking trails through immense Oak canopies. Participants can choose to compete in one of the following categories: solo, 2-person, 3-person, or 4-person teams. Teams will be in either the coed or open (same-gender) divisions. This is a bike and trek only event. There is no paddling but expect all the challenging and remote navigation OTG is known for.
Schedule
6 Hour Race
Check-in
5 PM, Saturday, August 9
Start
7 PM, Saturday, August 9
Finish
1 AM, Sunday, August 10
12 Hour Race
Check-in
5 PM, Saturday, August 9
Start
7 PM, Saturday, August 9
Finish
7 AM, Sunday, August 10
Details
Course Design
The 6 hour adventure race is designed for newer or family teams looking to learn about the sport of adventure racing and challenge themselves in a beautiful environment. The navigation is designed to be easy to understand and traverse interesting landmarks on each discipline.
The 12 hour race is for more seasoned competitors with challenging navigation demanding strategic route choices. Many locations will be remote and difficult to get to but will have rarely seen and unique features and wildlife.
Everyone on the team needs to be present at check-in to receive maps and race instructions. Please read the following information about waivers, rules, and gear to be thoroughly prepared.
Waivers
Please download and fill out the Off the Grid Racing Liability Waiver form for each team member before arriving at check-in on race day. This will allow the process to go more smoothly and get everyone their maps and passports quickly so everyone has more time to prepare before race start.
Rules
Please download and review the Off the Grid Racing Rules List. A printed copy of this rules list is mandatory gear for each team racing.
Gear
This Dark Sky challenge will not include paddling. No paddle gear is required. All competitors must furnish their own bikes. Rentals are available at nearby bike shops easily found with an internet search.
Please download and review the Mandatory Gear List. A printed copy of this list must be carried by all teams during the race. Any event may have a mandatory gear check at any point in a race.
Registration
Race Fees
6 Hour Race
Early Registration (Closed)
$100 per racer
Standard Registration (Closed)
$115 per racer
Late Registration (Closed)
$125 per racer
* late registration receives non-event t-shirt
12 Hour Race
Early Registration (Closed)
$125 per racer
Regular Registration (Closed)
$140 per racer
Late Registration (Closed)
$160 per racer
* late registration receives non-event t-shirt
Awards
1st through 3rd place in the following divisions:
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Coed (2, 3, 4)
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Open Male (2, 3, 4)
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Open Female (2, 3, 4)
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Solo Male
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Solo Female