ARKTOS

FEB-MAR
28-1
2026
Join the ARKTOS winter ultra in Dousman, WI, a looped trail challenge where you run as many laps as you can in 6 hour, 12 hour or 20 hour windows. Solo and relay teams enjoy warming shelters, hot drinks and a post race meal.
28-1 Feb-Mar 2026
6 Hour Ultra Run 12 Hour Ultra Run 20 Hour Ultra Run

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Event

The ARKTOS winter ultra is scheduled for February 28 - March 1, 2026 in Dousman, Wisconsin. The race takes place on trails in the Southern Kettle Moraine Forest and uses a loop format: participants complete as many loops as possible within their chosen time window. The event is capped at 160 runners.

  • 6-hour
  • 12-hour
  • 20-hour

Details

Events are offered for solo runners or as relay teams of up to four runners. The race package and on-site services include a hybrid backpack, a wooden finisher medal, a race decal, an ARKTOS glowing wristband, free warming shelters, bottomless coffee/tea/hot chocolate (runners are asked to bring their own cup), and a free post- or mid-race meal (chili, drink, chips; a vegan chili option is listed). A race store offers apparel and other branded items.

The event is presented by a Wisconsin-based trail running organization connected to the Golden Kettle Trail Series and lists multiple race partners and sponsors, including nutrition and coaching organizations and the Wisconsin DNR. The venue address is S58 W35820 County Rd ZZ, Dousman, WI 53118. Visit the organization's website for the most recent information.

20 hr
20 Hour Ultra Run
12 hr
12 Hour Ultra Run
6 hr
6 Hour Ultra Run

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