The Kettle Moraine race returns to Lagrange, Wisconsin on June 13th through the 14th of 2026, offering runners a diverse array of distances to choose from in one of the region's most anticipated annual events. Nestled along the picturesque trails and rural roads that wind through the heart of Kettle Moraine State Forest, this event has become synonymous with endurance running excellence. The race unfolds against a backdrop of Wisconsin’s lush greenery and serene landscapes during late spring when wildflowers dot the forest floor and birdsong fills the air at dawn. The early morning mist clings to the trails like an ethereal veil before dissipating into brilliant sunshine, creating a magical atmosphere for runners as they embark on their journey through miles of natural beauty. As day progresses, participants are treated to the vibrant hues of late spring foliage interspersed with stretches where towering pines cast deep shadows over the path. Kettle Moraine has been an integral part of the running community in Wisconsin since its inception, fostering camaraderie and pushing runners beyond their perceived limits through a challenging but rewarding course. Over the years, it has grown from a small local event to attract participants from across the country and even internationally. Each year sees hundreds more enthusiasts join the ranks of those who have come before them, building upon traditions that include awards ceremonies celebrating top finishers and recognizing exceptional performances in various categories. The race course itself spans multiple terrains within Kettle Moraine State Forest, with routes ranging from a grueling 100-mile ultramarathon to shorter yet equally demanding distances such as the 50K. The varied landscapes encompass rugged trails that wind through dense woods, rolling hills dotted with wildflowers and grassy meadows. Runners can expect a mix of steep ascents and descents along sandy paths interspersed by stretches on smooth road surfaces. Start/finish details are crucial for participants to know, as the event begins at N9084 County Road H in Lagrange where clear signage directs runners toward their respective race distances. The course profile includes significant elevation changes that challenge even seasoned athletes; aid stations are strategically placed every few miles along the route, offering hydration and snacks essential for sustaining energy levels throughout the day. Notable features of the trail include a scenic overlook midway through each distance where participants can pause to take in panoramic views before continuing their journey. Given typical June weather conditions in Lagrange—characterized by average temperatures around 21°C with occasional breezes that keep humidity at about 68%—runners should prepare for warm yet comfortable running days. The chance of rain is relatively low, although participants may encounter a few scattered showers throughout the weekend if they are unlucky. Trails remain hard and dry underfoot thanks to recent spring conditions, providing firm footing despite potential mud patches in some areas.
100 Miler 160.9K • Start: 06:00:00 • Fee: $389.00
100K 100K • Start: 07:00:00 • Fee: $235.00
100M Relay 160.9K • Start: 07:00:00 • Fee: $550.00
50K 50K • Start: 13:00:00 • Fee: $190.00
38 Miler 61.2K • Start: 17:30:00 • Fee: $145.00
The logistics of participating in Kettle Moraine involve navigating its unique lottery-based registration system which opens on December 1st and closes at midnight on December 30th for the main draw. Once selected through this process or placed onto a waitlist, participants must respond promptly to their invitation if they wish to secure a spot; early bird pricing is available until the end of the year but disappears thereafter as fees increase slightly. For those who qualify via volunteer service from previous years' events, an additional registration window opens in late November exclusively for these individuals. To register online and manage your participation effectively, visit https://ultrasignup.com/register.aspx?did=128736 where you will find detailed instructions on how to proceed. Participants are advised to use the email address they provided during their initial volunteer sign-up or general lottery entry when completing this step. Bib pickup takes place at designated locations in Lagrange one day before the race, requiring individuals to bring a photo ID and confirmation of payment for any applicable fees. Showcasing its commitment to inclusivity while maintaining high standards of competition integrity, Kettle Moraine invites both seasoned veterans seeking qualification into prestigious races like Western States 100 as well as newcomers looking forward to their first endurance challenge. This event promises more than just a race—it offers an opportunity for personal growth and community engagement in one of Wisconsin’s most scenic settings. The Kettle Moraine race, taking place over two days from June 13th through the 14th in Lagrange, Wisconsin, continues its tradition as not only a test of physical endurance but also a celebration of the running spirit within this vibrant community.
Races Offered
100 Miler
Jun 13, 2026
straighten
Distance —
160.9K
terrain
Type —
Running
timer
06:00
sell
$389.00
100K
Jun 13, 2026
straighten
Distance —
100K
terrain
Type —
Running
timer
07:00
sell
$235.00
100M Relay
Jun 13, 2026
straighten
Distance —
160.9K
terrain
Type —
Running
timer
07:00
sell
$550.00
50K
Jun 13, 2026
straighten
Distance —
50K
terrain
Type —
Running
timer
13:00
sell
$190.00
38 Miler
Jun 13, 2026
straighten
Distance —
61.2K
terrain
Type —
Running
timer
17:30
sell
$145.00
Weather History
These values represent the 3-year monthly averages for June in La Grange.
thermostatTemperature
15.6° / 26.3°
wb_sunnyFeels like
14.3° / 25.5°
light_mode
Avg sunshine hours
11h 54m
water_drop
Avg rainfall
3.4 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
12.3 km/h (Gentle breeze)
opacity
Sweat loss rate
High
terrain
Course conditions
Hard and dry surface
sunny
Max UV Index
Very High (8.0)
humidity_mid
Humidity
68.4%
wb_twilight
Sunrise
05:16
nightlight
Sunset
20:33
About La Grange
Learn more about the host city, La Grange.
La Grange is the name of some places in the U.S. state of Wisconsin:La Grange, Monroe County, Wisconsin, a town
La Grange, Walworth County, Wisconsin, a town
La Grange (community), Wisconsin, an unincorporated community in Walworth County, Wisconsin