
From the Organizer
October 10th-11th, 2026 | Eagle, Wisconsin
6 / 12 / 20 Hour Ultra Run (Solo Runner or Relay team of up to 4)
Join us for the inaugural 6-, 12- or 20-Hour FALL Ultra in the Southern Kettle Moraine Forest. Complete as many loops as possible during your selected timeframe of 6, 12 or 20 hours.
This race is capped at 150 runners. Signup now before it sells out!
The goal of this race is to complete as many loops as possible during your selected timeframe of 6, 12 or 20 hours. You may race as a solo ultra runner or as a relay team of up to 4 people. You will choose between three of the McMiller Trail loops - approximately 3, 5 or 6 miles.
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
63°
Typical Low
42°
Chance of Rain
36%
Based on US Climate Normals data from Sullivan 3se, 7 mi from the venue.
Host City
Population
2,016
as of 2023
Elevation
933 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 HELIOS 6/12/20 HOUR ULTRA, put it on the calendar, and turn “someday” into a start date.
124
Days to train
Coming Up
Lad Lake's Kettle Classic Bike- Walk- Run Event 2026
9 miles away
Hunger Hustle
Less than a mile away
Independence Day Run
13 miles away
Prowl the Peak Twilight 5K Run & 3K Walk
12 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)
HELIOS 6/12/20 HOUR ULTRA
Oct 10, 2026