ARKTOS

Sat, Feb 27, 2027, 9:59 AM CST

Location: Dousman, WI; S58 W35820 County Rd ZZ, 53118
Type: TRAIL

At a glance

Test your endurance in the Southern Kettle Moraine Forest at ARKTOS, a challenging winter ultra run with 6, 12, or 24-hour timed options.

Competitive

Great for: runners who like a competitive edge

ARKTOS offers a unique winter ultra-running experience in the Southern Kettle Moraine Forest of Dousman, Wisconsin. This timed event challenges solo runners or relay teams to complete as many loops as possible within their chosen timeframe of 6, 12, or 24 hours. Known as the original timed winter ultra in the region, it provides a distinctive endurance test. With a cap of 160 runners, early registration is recommended as spots tend to fill quickly for this popular event.

What to expect

Embrace a winter ultra challenge on rolling terrain.
Choose your endurance test: 6, 12, or 24 hours.
Run solo or form a relay team of up to four.

Standout details

Original timed Winter Ultra
6, 12, or 24-hour options
Solo or 4-person relay teams
Limited to 160 runners

Auto-drafted from the public listing — confirm details on the official event page before signing up.

Distances & registration

8 options

Registration for all distances is through the official signup link above.

6 Hour - Solo ARKTOS A.M.
Sat, Feb 27, 9:59 AM CST · From $75.20
Opens Mar 18, 2026, 7:59 PM CDT · Closes May 31, 2026, 7:59 PM CDT
6 Hour - Team ARKTOS A.M.
Sat, Feb 27, 9:59 AM CST · From $54.00
Opens Mar 18, 2026, 7:59 PM CDT · Closes May 31, 2026, 7:59 PM CDT
12 Hour - Solo ARKTOS
Sat, Feb 27, 9:59 AM CST · From $96.40
Opens Mar 18, 2026, 7:59 PM CDT · Closes May 31, 2026, 7:59 PM CDT

+ 5 more options

12 Hour - Team ARKTOS
Sat, Feb 27, 9:59 AM CST · From $75.20
Opens Mar 18, 2026, 7:59 PM CDT · Closes May 31, 2026, 7:59 PM CDT
24 Hour - Solo ARKTOS
Sat, Feb 27, 9:59 AM CST · From $122.90
Opens Mar 18, 2026, 7:59 PM CDT · Closes May 31, 2026, 7:59 PM CDT
24 Hour - Team ARKTOS
Sat, Feb 27, 9:59 AM CST · From $101.70
Opens Mar 18, 2026, 7:59 PM CDT · Closes May 31, 2026, 7:59 PM CDT
6 Hour - Solo ARKTOS P.M.
Sat, Feb 27, 3:59 PM CST · From $75.20
Opens Mar 18, 2026, 7:59 PM CDT · Closes May 31, 2026, 7:59 PM CDT
6 Hour - Team ARKTOS P.M.
Sat, Feb 27, 3:59 PM CST · From $54.00
Opens Mar 18, 2026, 7:59 PM CDT · Closes May 31, 2026, 7:59 PM CDT

The course

Rolling
Timed race

From the organizer

February 27th-28th, 2027 | Dousman, Wisconsin

6 / 12 / 24 Hour Ultra Run (Solo Runner or Relay team of up to 4)

The original timed Winter Ultra in the Southern Kettle Moraine Forest. Complete as many loops as possible during your selected timeframe of 6, 12 or 24 hours.

NEW for 2027 - 24-hour option (instead of 20 hours) AND choose between an A.M. or P.M. 6-hour option.

WE CAP THIS RACE AT 160 runners. IT WILL SELL OUT EARLY - signup now before spots are full.

For complete race details please visit www.goldenkettletrailseries.com/arktos

Also in this area

Similar vibe nearby

Races nearby with a similar atmosphere.