Saturday, May 20, 2023
This Event Took Place Sat. May 20, 2023

Rumble on the Ridge

Rumble on the Ridge is a take on the traditional Backyard Ultra Last Person Standing. The event will take place on an old dairy farm just 40 minutes west of Madison, WI in the heart of the Driftless Area. Participants will compete on a 1ish mile looped course, dubbed "The Drifty Mile", completing a loop every 20 minutes.

Sounds easy enough right?....Within the ~1 mile loop you’ll accumulate over ~300 feet of elevation gain via a .4 mile climb up an active access road to the top of the ridge, single tracks along the spine of the ridge, back down the hill on an old snowmobile path (with an average grade of -18%) before running the base of the hill back to the start. And just to keep it interesting we are going to reverse the course every 4 hours to save your quads from the downhill….You can thank us later.

All participants will receive a soft blend race t-shirt.

Winner receives bragging rights for a year, a free entry into next year’s event to defend their title and a unique winner award. Anyone who reaches the 24 hour club (72 laps/miles, ~21,000 ft elevation gain) will earn a Driftless Endurance swag pack.

Driftless Trail

Driftless Endurance, along with all participant donations, will donate $0.10 for every lap completed during the event to the planning and building of the Driftless Trail. The Driftless Area Land Conservancy (DALC) is leading this project to build the Driftless Trail which is a planned 50-mile loop that connects Tower Hill, Governor Dodge, and Blue Mounds State Parks. This is a foot-only trail, to be used for hiking, running, snowshoeing, or cross country skiing wandering through the woods, prairies, farms, bluffs and streams of Iowa County’s Driftless landscape.

More information on this project can be found on the DALC website.

Date and Location:

Date: 5/20/2023
Check In: 6:30am-7:45am
Race Start: 8:00am
Race End: Last Runner Standing
Address: 5749 County Rd H, Arena, WI 53503


-You have 20 minute to complete a loop.
-You must be in the starting corral at the start of the next loop when the cowbell rings. Crew tent/restrooms/on the course do not count as the starting corral.
-Runners coming in after the 20 minute limit will be eliminated.
-No runner may accept aid while on the course. Any aid must be carried on the person.
-3 minute warning until the next lap=3 whistle blows
-2 minute warning until the next lap=2 whistle blows.
-1 minute warning until the next lap=1 whistle blow
-The winner is declared when there is only 1 person left who has successfully completed all laps in under 20 minutes. A solo victory lap must be complete to earn the win
-If no participant successfully completes the final lap, there will be no winner for this year.

Final Rule- HAVE FUN!!

The Barnyard Basecamp

The Barnyard will be basecamp for the weekend. This is where the start corral, crew tents, aid station, restrooms and spectator viewing will be located.

Crew tents will be set up in a designated area near the start corral on a first come first served basis. Crew tent spaces are limited so please opt in for a tent space at registration. The space will be a 10x10' plot of grass with all equipment needing to be provided by the participant. There will be a large participant tent set up for drop bags, chairs and coolers if you do not have a crew tent.

There will be a basic aid station with fruit, sweet & salty snacks, carbs, hydration & nutrition products, soda and coffee. Restrooms will also be available in this area.

Spectator viewing, camp fires and yard games will also be in this area.


Camping will be allowed on Saturday night ONLY but this must be a tent or small camper van. Please, no RVs or pull behinds. This is a private residence and there are no hookups, waste disposal or space for parking campers. There are several camping and lodging spots within 20 minutes of the race venue for the weekend.

Governor Doge State Park
Blue Mounds State Park
Tower Hill State Park
Brigham County Park
Trader's Island Campground
Tom's Campground
Wisconsin Riverside Resort

Deer Valley Lodge
The House on the Rock Resort
Spring Valley Inn
Round Barn Lodge
The Birdhouse Inn
Several options of Hotels and B&B's in Spring Green and Dodgeville

Refund Policy

There are no refunds under any circumstances. Please consider this closely before you register.

All entry fees go back into hosting these events and local organizations to continue building and expanding the trail network in the Driftless Area of Wisconsin.

Event's current local time: 8:23 PM CT


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