Friday, Mar 8, 2024 @ 9:00 AM

The Drift 100

Upper Green River Parking area

Pinedale, WY 100 Mile Ski, 100 Mile Bike, 100 Mile Run

This Event Took Place Fri. Mar 8, 2024

Welcome to The Drift 100

To register for the 28 mile or the 13 mile, please click here.

The Drift 100

For the last 100 years Wyoming cowboys have "drifted" their cattle each fall out of the mountains where they go to to the desert for the winter. The cows want nothing to do with this winter wonderland. Our racers don't have that same sense of self preservation. You will experience Wyoming-- under Wyoming's terms--Wyoming style. Choose your discipline--Ski, Bike, Run-- then set out to complete the course before mother nature finds a way to finish it for you. It is still very much winter up here in March. The temperatures can be sub zero, the wind can be relentless, and snowfall can be measured in feet. If you want a fast manicured course with aid stations every few miles this isn't your race. If you want a true challenge in magical untamed wilderness, join us. You will be glad you did.


The Drift 100 is a high altitude, remote wilderness event. The Drift 100 is difficult. All runners, bikers and skiers will find themselves walking at some point in the course, maybe in blizzard or sub zero or slushy conditions. The trail can vary from drifted and deep to ice or bare ground. The weather is at times formidable and visibility may be reduced to the hand in front of your face. All 100 mile racers must be comfortable with winter wilderness travel! In the event of emergency, rescue may not be immediately possible. Although we encourage new ultra racers, (our first ultra was a winter race) - this should not be your first experience in the winter wilderness. Gear systems should be tested prior to race day. Be prepared to toe the line with gear needed to keep yourself warm for hours in sub zero or blizzard conditions. Be prepared to travel through deep snow. Please be specific when describing qualifications on your registration form. Demonstrate your experience winter and wilderness experience. Please email with questions.


In the event a racer is unable to finish the race or if they miss an aid station cutoff, they will be taken off the course via snow machine. It may not be possible to evacuate from the course immediately. Be prepared to wait, maybe hours. Racers may initially be taken to a heated aid station for a time before a full evacuation can be completed, based on volunteer availability and race flow. Be patient if you have to wait, even for several hours. Remember that these folks are only there because they have volunteered to help you (even in the middle of the night), not to put up with your bitter buffalo mood. Be kind and say thanks!!

Reminder: All racers evacuated from the 100-mile course are REQUIRED to pay $200. Exceptions: if you are able to get back to the finish from Strawberry Aid Station or if you get a ride (car) from Warm Springs Aid station.

Gear Evacuation: People come first. While we do our best, it may take a day to get your bike/skis etc out!!! Please be patient. If you choose to leave your bike on the side of a trail, you do so at your own risk. We are not responsible for lost or damaged gear including bikes.

Prerace Meeting

Prerace meeting and gear check Thursday March 7th. A sign up for gear check time will be sent out closer to race day. Prerace meeting will be at 5:30 pm at the Sublette County Library, Lovette Room.


Refunds will be given up until December 31st. You may roll your registration to 2024 up until March 1st. This can be done through your ultrasignup account.

Event's current local time: 9:28 AM MT


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