Childish Nonsense

Palatine, United States • 25 Apr 2026

Childish Nonsense is a trail running event held in Palatine, Illinois, at Deer Grove Forest Preserve West. It offers multiple distances: 10K, 25K, 50K, and 50 miles, with courses consisting of laps on a mostly wide, non-technical trail. Runners encounter a single aid station at the start/finish area every 5.5 miles, where crew support is allowed.

The event encourages a playful atmosphere with "shenanigans" throughout the day to awaken participants' inner child. It promotes inclusivity, offering free entries to BIPOC and LGBTQ+ athletes and welcoming all gender identities. Cutoff time for all races is 8 PM. Visit the organization's website for the most recent information.

Race information

50 mi
50 Miler
50 km
50k
25 km
25k
10 km
10k
Visit the organization's website for the most recent information.
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