When is Kettle Moraine 100 Endurance Runs?

Kettle Moraine 100 Endurance Runs takes place on Jun 13, 2026. That's in 2 weeks.

Where is Kettle Moraine 100 Endurance Runs located?

Kettle Moraine 100 Endurance Runs is held in Whitewater, Wisconsin, United States.

What distances are available at Kettle Moraine 100 Endurance Runs?

Kettle Moraine 100 Endurance Runs offers the following distances: 100M, 100M, 100K, 38M, 50K.

What is the typical weather for Kettle Moraine 100 Endurance Runs?

Based on historical data, you can expect temperatures between 57°F and 78°F on race day. There's approximately a 18% chance of precipitation.

Kettle Moraine 100 Endurance Runs (50K-100M) - Jun 13, 2026 | Whitewater, WI

The Kettle Moraine 100 Endurance Runs, set for June 13, 2026, in Whitewater, WI, offers an unforgettable trail experience across distances of 100 miles, 100 kilometers, a 38-mile "fun run," and a 50-kilometer race. This classic ultra, first organized in 1995, is celebrated as Wisconsin's inaugural 100-mile race and holds a revered place in the ultramarathon community. Runners will traverse the unique glacial landscape of the Kettle Moraine State Forest, with approximately 65 miles of the course winding along the historic Ice Age National Scenic Trail. The terrain is predominantly wooded (about 80%), interspersed with scenic prairie and marsh areas. Prepare for a "roller coaster of hills," with rocks and roots adding to the challenge, alongside stretches of gently rolling, smooth paths cushioned by pine needles. The 100-mile course boasts an impressive 8,800 feet of elevation gain, while the 100K features 5,584 feet, the 38-mile covers 3,217 feet, and the 50K includes 2,742 feet of climbing.

Participants consistently praise the exceptional support system, with "amazing" and "well-stocked" aid stations strategically placed roughly every 3-5 miles. These hubs provide everything from fresh sandwiches, fruit, and hot soup to a variety of sodas and ample ice, with volunteers often going above and beyond to assist runners. Typical race day conditions in mid-June see comfortable highs around 78°F and lows near 57°F, with an 18% chance of precipitation, offering a generally favorable climate for long-distance efforts. The main hub for the event, including packet pickup and the start/finish for most distances, is the Nordic Trailhead, while the 50K race uniquely begins at the Scuppernong aid station before converging on the Nordic finish.

The Kettle Moraine 100 is more than just a race; it's a journey through a geological marvel, renowned for its challenging yet beautiful course and outstanding runner support. Many consider it an ideal choice for first-time 100-mile attempts due to its well-marked trails and extensive aid. With its rich history, vibrant atmosphere, and the "silent killer" hills that define its character, the Kettle Moraine 100 Endurance Runs promise a truly compelling and rewarding experience for every ultrarunner.