Fat Tire Bike Racing

Prairie Dells / Underdown  (Virtual Race)

February 12th thru March 21, 2021

Additional race info and map:   https://drive.google.com/file/d/1pWB4yFgx_Gsb4RYZ9GzefOjP-W-R_wUJ/view?fbclid=IwAR0_T1r8NlcfC-S9SesXDZ-


2021 Badger State Fat Bike Guide Prairie Dells Adventure

Three checkpoints over six miles. Beautiful view of the Prairie River and Manthei Marsh. Deer and predator tracks often. Geese on special occasions.

Vertical Challenge Five checkpoints over eleven miles. Add endless hills to your Prairie Dells Adventure.

Lake Exploration Seven checkpoints over sixteen or so miles. This addition crosses four beautiful bodies of water.

These routes offer the best chance of ideal conditions over groomed trail. There are weeks when a full 25 miles of winter trail are open for your exploration, but that mileage is hard to maintain for five weeks in a row. It rains. It blizzards. No guarantees.

Swag, probably a Badger State neck gaiter or other surprise, will be found at the swag stump on Goose Island on the Prairie River.

You are responsible for yourself out there. Said it.

Register yourself on the Badger State Winter Games website to be eligible for awards. 
All proceeds go toward the maintenance of this unique trail system.

Rules are here to keep things fun, safe and fair. Record your time and post your selfies to Strava or other media. Upload the link to the form that will be accessible from Badger State Games and the Underdown Dells Project Facebook page between February 12th and March 14th. No bonus points will be awarded for riding style, artistic photos or even spotting live geese; however, entertaining selfies will likely be reposted. Have fun out there in the wild.

Trail conditions will change as we all know. Winter snow will evolve the early bushwack lines into groomed trail, especially along the Prairie River where new lines are ready from the Candy Cliffs to Goose Island once grooming snow falls. You may choose your route to checkpoints, but groomed snowmobile and ski trails are off limits except for Horn Lake Road. Follow trail updates on the Underdown Dells Project Facebook page.

Prairie Dells Adventure 6 Mile Course

1. Take a selfie or pose your bike on any bench overlooking the Prairie Dells gorge.

2. Take a photo at the swag stump on Goose Islands and find your Badger State swag behind it. Goose sightings a bonus.

3. Take a shot from any bench overlooking the Manthei wildlife marsh.

You are just upstream from the ill-fated Prairie Dells Dam.

    *Routes will vary based on current snow conditions, but checkpoints do not move. Bikes are not allowed on groomed snowmobile or ski trails except for Horn Lake Road. Follow Underdown Dells Project on Facebook for current conditions.

Vertical Challenge 11 Mile Course

4. Here you add five miles of pure hills. Pose your bike on the top of Side by Each on the Disconnector Trail.

5. You’ll be telling by the smelling that you’ve found Landfill Hill on the Connector Trail heading for home. Take a picture with the random sign at the summit.

 Lake Exploration 16 Mile Course

 Legendary moonshiner and homesteader Bill Underdown lived near the first lake west of the Connector Trail.

6. Snap a picture at the Dog Lake Shelter.

7. Put the island on Underdown Lake in the background of your next shot.

 Copper Lake Road

 25 miles of fat bike singletrack are open when conditions allow. Come back in summer for 35 miles of backwoods singletrack and the Thunderdown on August 21st, 2021.  Dog Lake, Mist Lake, Horn Lake Road Disconnector Connector

Results Form:  https://docs.google.com/forms/d/e/1FAIpQLSfVitYkkO4IITM_wpwQiscJ9BF0koWmWe3DOfQYw5gmS_BdQw/viewform?pli=1

*Registration includes BSG Gaiter Mask.  
Gaiter Mask will be hidden out on the course!  Details to follow.

2020 Race Results:

25 Miles of Fat Bike Fun!!!

When you do Register Online click Alpine on the 

left hand side in Active to see all event options.

Also make sure to read very carefully when Registering.

Active will ask you to check boxes to Subscribe or Unsubscribe 

to their services so again read carefully so no extra charges apply.

Athlete Information:


Short Race: approximately 10 mile lap. Terrain is rolling, flowy, and scenic. A chance to ride the famous Prairie Dells River Trail


Medium Race: approximately 15 mile lap with a blend of fast Prairie Dells flow and a vertical loop that is one big hill after another.


Long Race: approximately 25 mile lap with challenging, hilly terrain. This lap adds a back country adventure over 3 ponds, 4 lakes, 6 bogs and 20 bonus hills.


Printable Registration Form and Athlete Waiver

Medals will be awarded to the Top 3 Male and Female finishers in each race.  
All medal winners qualify to compete in the 2022 State Games of America in Iowa.


Does not apply for the 2021 race:  Registration open's at: 8:00 am
Racing starts at: 10:00 am (Long Race: 10:00 am, Medium Race: 11:30 am, Short Race: 1;00 pm)
Awards:  No Awards Ceremony in 2021  Approximately at 3:00 pm at Overboard Bar & Grill (formerly Gail's Place Again Bar)

Additional Information:

Not Available in 2021

Lunch and a FREE drink with registration will be provided at Overboard Bar & Grill. (beer/soda must be 21+ for beer)
Menu: Hot Beef Sandwich, Chips, Beans, Potato Salad, Dessert, Drink
Door Prizes available during registration. (one free ticket for Registration with option to purchase more)
All riders will required to use Fat Bikes (no Mountain Bikes allowed) with tires a minimum of 3.7 inches wide.
Helmets are required, and athletes will be required to sign a waiver before competing.
The course will have a variety of terrain changes. There will be wide lanes for passing as well as areas of single track.

Spectator Information:

For those that want to cheer on our athletes and to see them bring home the gold here are a few tips:
Best place to view the event & how much you can see:
Seating Available or bring your own chairs:
Admission Fee: No Fee
Concessions: Overboard Bar & Grill
Carry-ins allowed (food &/or drink):
Are Signs or Noise makers allowed: YES!!
Other Information: Just come out and get to know the sport.


2019 Fat Bike Results

2017 Results:

2016 Results

2015 Fat Tire Bike Racing - Winter


Sport Specific Questions: Contact Event Director:  Shane Stuard:  shane.stuard83@gmail.com

Online Registration/Website Questions: Contact the Badger State Games office at 715-355-8788 or info@badgerstategames.org

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