Overview
The Dark Divide 100K is not just a race. It’s a journey into one of the most rugged, remote, and awe-inspiring backcountry regions in the Pacific Northwest. This point-to-point ultra takes you deep into the wilderness where steep climbs, technical singletrack, and jaw-dropping vistas set the stage for a challenge unlike any other.
Runners will experience over 16,500ft of climbing and 19,000ft of descent, with stretches of up to 11 miles between aid stations. Course markings are minimal by design, honoring the true wilderness character of this race. This is a raw, demanding, life-changing ultramarathon—meant for experienced trail runners ready to embrace one of the hardest and most rewarding races they may ever do.
Saturday, September 6, 2025
Registration
Opens
Mar 1, 2025, 12:00 AM
Closes
Sep 1, 2025, 11:59 PM
Registration Fee
$225

Hard Rock Qualifier

UTMB Index Qualifier
Official race details:
Course
Distance:
100
K
Course type:
Unknown
Elevation gain:
▲
16,500ft
Elevation loss:
▼
19,000ft
Max altitude:
6,000ft
Start time:
Sep 6, 2025
5:00 AM
Cutoff time:
100K, 24HR overall, final cutoff at 5:00AM on Sunday, September 7, 2025
Course Description
The Dark Divide 100K is a point-to-point mountain ultra that winds through rugged wilderness and high ridgelines. Expect relentless climbs, quad-crushing descents, and technical terrain that will test your skill and grit. Runners will move through dense old-growth forests, across remote ridgelines with expansive views, and past alpine meadows alive with wildflowers. Minimal course markings keep the experience raw and true to the spirit of mountain running.
Course highlights include steep ascents that seem to go on forever, thrilling ridge traverses, and the sense of complete solitude that comes from being deep in Washington’s most rugged backcountry.
Logistics
Portland International Airport (PDX) is approximately 2.5 hours from Randle, Washington. Seattle-Tacoma International Airport (SEA) is approximately 3 hours from Randle, Washington.
Driving Directions
Parking
Parking is available at Wright Meadow Aid Station camping area for runners and crew. Carpooling is strongly encouraged due to limited space. Visitors should plan ahead for parking at the finish area.
Lodging
Camping is available at the Wright Meadow Aid Station camping area beginning Friday, September 5, 2025. Lodging options can also be found in nearby Randle, Washington.
Aid Stations
Aid stations are spaced up to 11 miles apart, making planning and preparation essential. They provide water, electrolytes, and ultra-runner fuel to keep you moving through the long day and night. Some aid stations allow for drop bags and crew access, giving you a chance to refuel and reset before the next big climb.
Race Requirements
This race is for experienced ultrarunners only. Prior completion of a tough 50M or 100K is strongly recommended. Runners should be prepared for long stretches without aid, rugged terrain, and minimal course markings.
Trail Work
Runners must complete 8 hours of volunteer service before the race. Accepted activities include habitat restoration, trail building or repair, and work supporting inclusivity in outdoor recreation. Documentation must be submitted by check-in on September 5, 2025.
Qualifying Races
The race strongly recommends completion of a 50M or 100K prior to entry. This ensures runners are prepared for the rugged terrain and high demands of the Dark Divide course.
Mandatory Gear
Mandatory gear is required for safety and survivability in remote conditions. Runners must carry the following:
Headlamp and backup light source
Thermal blanket
Whistle
Rain jacket
Capacity to carry at least 1.5 liters of water
Emergency calories
Policies
Cancelations & Deferrals
Please refer to Wonderland Running's website for cancelation policies.
Dogs
Dogs are not allowed on the race course, start, or finish areas for the safety of runners, volunteers, and the animals themselves.
Crew, Pacers & Spectators
Crew and visitors are welcome at designated aid stations and at the Cispus Learning Center start/finish area. Due to the remoteness of many aid stations, travel times can exceed two hours on forest service roads. Crews must follow all rules and respect wilderness restrictions.
Volunteers
Volunteers are encouraged to help with aid stations, registration, and festival logistics. Interested parties can sign up at the race website.
Volunteer opportunities include:
Aid station support
Check-in assistance
Course marshaling
Setup and cleanup
Please reach out to wonderland.running.pnw@gmail.com for more information.
Charity & Beneficiary
Proceeds from the Dark Divide Trail Races benefit Silver Star Search & Rescue, All Play/Elementary Facilitation Program at Cispus Learning Center, and the White Pass Scenic Byway nonprofit. Learn more at https://www.wonderlandrunning.com.
Land Acknowledgement
The Dark Divide Trail Races take place on the ancestral lands of the Cowlitz (Mishalpam, Táytnapam, Sλpúlmx), Xwáłxwaypam (Klikitat), and Yakama peoples, who have stewarded this region for millennia. We honor and respect their enduring connection to these lands.
About
Wonderland Running
Wonderland Running is a quirky, community-first trail race organization based in the Pacific Northwest, bringing creativity, inclusivity, and adventure to every event. Officially founded in 2019, but with roots in DIY group runs long before that, Wonderland Running was born out of founder Sean Harrasser’s deep love for wild places and his solo, unsupported circumnavigation of the Wonderland Trail around Mount Rainier. Since then, the organization has evolved into a passionate crew of runners, mischief-makers, and outdoor enthusiasts who are dedicated to crafting memorable race experiences in truly magical settings.
The Wonderland Running team is made up of ultrarunners, artists, race directors, educators, tech wizards, and outdoor lovers who embrace the spirit of trail running in all its unpredictable, joyful, and humbling glory. With job titles like Executive Bad Hill Idea Conspirator and Master Hill Technologist, their ethos is as much about fun and self-expression as it is about fitness and finish lines.
Based in Oregon, with team members spread across Redmond, Bend, Portland, and Hillsboro, Wonderland Running is at the heart of the PNW trail scene. Whether you’re a seasoned ultrarunner or showing up to your first trail race, you’ll find a warm welcome, a clever hill pun, and an unforgettable experience waiting at the start line.
For those looking to connect with trail running beyond the stopwatch, Wonderland Running offers something rare: a race company that balances soulful exploration, creative expression, and genuine community.