
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
Events
Weather
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
36°
Typical Low
18°
Chance of Rain
33%
Based on US Climate Normals data from Sullivan 3se, 5 mi from the venue.
Host City
Population
2,043
as of 2023
Elevation
866 ft
Nearest Airport
MKE
General Mitchell International Airport · 29 mi
Time Zone
Central Time
From Endurance Grid
A small town race. Lodging near the start could be limited, so book early.
Race Location
Your Next Start Line
Every finish line starts with a single decision. Claim your spot at ARKTOS, put it on the calendar, and turn “someday” into a start date.
Coming Up
Silver Circle Trivia - Ocon
7 miles away
Lad Lake's Kettle Classic Bike- Walk- Run Event 2026
Less than a mile away
Lake Country Freedom 5K, 10K & 25K
7 miles away
Prowl the Peak Twilight 5K Run & 3K Walk
5 miles away
From Endurance Grid
Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Frequently Asked Questions (FAQs)
ARKTOS
Feb 27, 2027