Childish Nonsense

APR
24
2027
Looped trail event at Deer Grove Forest Preserve offering 5.5 mile loops, multiple ultradistances, a single aid station at start finish, and inclusion-focused entry policies.
Sat 24 Apr 2027
50 miles 50 kilometers 25 kilometers 6 miles

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Childish Nonsense

Childish Nonsense is a trail ultrarunning event organized by Cussing Runner in Palatine, Illinois at Deer Grove Forest Preserve West on April 24, 2027. The event offers multiple looped distances on a mostly wide, nontechnical trail and includes periodic playful activities described as shenanigans throughout the day.

Distances run on a 5.5 mile loop:

  • 50 Miler: nine laps of the 5.5 mile loop.
  • 50K: six laps of the 5.5 mile loop.
  • 25K: three laps of the 5.5 mile loop.
  • 5.5 Miler: one lap.

Logistics note that there is a single aid station at the start and finish area, which is encountered every 5.5 miles. Crews are allowed to set up only at the start/finish; there are no course locations for individual crew stations. Runners in the 50 Miler distance may use a pacer after completing four laps. A time cutoff applies to all distances.

The organizing group, CUSS Running or Curious Ultrarunner's Secret Society, describes its mission as bringing whimsy into ultrarunning and fostering community. The event includes specific inclusion measures: a number of free entries are reserved for BIPOC and LGBTQ+ athletes, and the organizer accepts each entrant's declared gender at face value while providing a process to record non binary pronouns after registration. Visit the organization's website for the most recent information.

Events nearby

A scenic 5K in Deer Grove on November 14, 2026 that welcomes runners, walkers and canicross teams while raising funds for a local scholarship.
Winter trail race in Crystal Lake, IL featuring a hilly single-track 10K loop and a 50K made of five laps, with aid stations, finisher medals, and age-group awards.
A winter trail series at Dick Young Forest Preserve in Batavia featuring 5K, 8K, and 10K races on separate dates in early 2027, with combined registration and a series swag reward program.
Out and back 5K along the Des Plaines River Trail in Lincolnshire with a post-race party at Half Day Brewing featuring beer, music and awards.
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