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Childish Nonsense 10K/25K/50K/50 Miler – Chicago Ultra Marathon

April 29 @ 7:00 am - 7:00 pm

chicago ultra marathon

Chicago Ultra Marathon

Start:7 am
When: Saturday , April 29th, 2023
Where: Deer Grove Forest Preserve

Childish Nonsense will be a loop course highlighting the rolling trails of Deer Grove Forest Preserve. Most of the trail is a wide dirt path, with nothing too technical to worry about.

7am – 50 Mile start time
8am 25k/50k start time
9am 10k start time

10k Runners will do one lap .
25k Runners will do 3 laps.

50k Runners will do 6 laps
50 milers will do 9 laps.

There will be one aid station at the Start/Finish. You can have your own aid station and crew set up at that area.

50 milers can have a pacer after 4 loops.

There will be shenanigans occurring throughout the day to help us all awaken our inner child.

Register HERE

Join the Curious Ultrarunner’s Secret Society for a fun day in the woods. Be sure to join the Facebook Group to get in on the  Chicago Ultra Marathon challenges leading up to the race.

Curious Ultrarunner’s Secret Society was established to inject a sense of whimsy into training calendars, split times, and fartleks. Our goal is to build a community that creates a space for the individual to fall in love with the magic of running.


To help others fall in love with ultrarunning.


To make you & the world slightly better through laughter & pain.


April 29
7:00 am - 7:00 pm
Event Tags:


CUSS Running


Deer Grove Forest Preserve
W. Dundee Rd.
Palatine, IL United States
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