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ultrasignup.com

NK50k

calendar_today 03 Apr, 2027

directions_run Running

sell $19.99

NK50k

About the Event

13th Annual-ish NK50k

Earn the (Almost) World Famous NK50k Finisher Sticker! Join us for a point-to-point tour of the Northern Kettle Moraine Ice Age Trail! It's time to welcome Spring to the Northern Kettle Trail Running Community ... which means it will most likely be snowing! At 7:00 AM, we will start at the Ridge Road Trailhead, just southwest of Sunburst Ski Hill. Transportation will be provided to the start from the finish (Greenbush Group Camp), leaving at 6:00 AM. After we're done, we'll enjoy some food and refreshments at the Group Camp Shelter. This stop is also where Aid will be provided to the 50k runners. Aid and access to drop bags for the 50k runners will also be provided at Mile 3.5 and at Mile 25. There is water available along the course at additional spots as well, at or near the backcountry shelters. The Schedule This event will sell out, so register soon! 5:30-5:55 - 50K runner Check-in. 6:00 AM - The BUS will be leaving from the Greenbush Group Camp to take runners to the start at Ridge Road. 7:00 AM - The NK50K Starts at Ridge Road. Have fun! 9:00 AM - 25K runner check in. 9:30 AM - The BUS leaves Greenbush Group Camp to take runners the the 25K Start at Crooked Lake. 10:00 AM - NK25K run starts, have fun! Welcome back to Greenbush! Congrats on a great morning in the Northern Kettles! Celebrate with us at the Finish area Shelter. Aid Stations will include Water, Sports Drink, Coke, Mt. Dew and assorted normal "Ultra Aid Station" foods. And Finally...REMEMBER: This is a fun run. The best effort will be made to provide aid as scheduled and at those locations, but stuff happens, so go in to this run assuming you're on your own! No Whining! ** No Results Will Be Posted on UltraSignup.com. This is a RUN. This is NOT A RACE. **

Greenbush Trail Runners

From smooth and rolling ski trails, to the rocky and rooty Ice Age Trail, to the highest point in the Northern Kettle Moraine State Forest, the Greenbush area trails have it all!

Races Offered

50K

Apr 03, 2027

straighten

Distance — 50K

terrain

Type — Running

timer

07:00

sell

$19.99

25K

Apr 03, 2027

straighten

Distance — 25K

terrain

Type — Running

timer

09:00

sell

$19.99

Weather History

These values represent the 3-year monthly averages for April in Greenbush.

thermostat Temperature
2.5° / 12.5°
wb_sunny Feels like
-2.7° / 7.7°
light_mode Avg sunshine hours
8h 49m
water_drop Avg rainfall
2.6 mm
ac_unit Avg snowfall
0.4 cm
air Avg wind speed
16.7 km/h (Gentle breeze)
opacity Sweat loss rate
Low
terrain Course conditions
Firm and slightly soft
sunny Max UV Index
Moderate (5.0)
humidity_mid Humidity
66.5%
wb_twilight Sunrise
06:07
nightlight Sunset
19:36

About Greenbush

Learn more about the host city, Greenbush.

Scenic view of

Greenbush is an unincorporated town in Sheboygan County, Wisconsin, United States. The population was 2,773 at the 2000 census. It is included in the Sheboygan, Wisconsin Metropolitan Statistical Area. The census-designated place of Greenbush is located in the town. The unincorporated community of German Corners is also located in the town. Greenbush hosts the Kettle Moraine Correctional Institution.

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Hotels & Places to Stay

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