Ned Ned Half Marathon

Nederland, United States • 13 Sep 2025

The Ned Ned Half Marathon is a longstanding trail running event held in Nederland, Colorado, celebrating its 43rd year. Participants can choose from a half marathon, 10K, or 5K race, with courses winding through scenic dirt roads and single-track trails in the Colorado mountain town. The event is family-friendly, encourages costumes, and allows leashed dogs on the 5K course. It supports local youth programs through the nonprofit Teens, Inc., and promotes sustainability with a cupless policy. The race offers challenging terrain, beautiful scenery, and a festive atmosphere, making it a popular and inspiring event for runners of all ages. Visit the organization's website for the most recent information.

Race information

13 mi
Half Marathon
10 km
10k
5 km
Visit the organization's website for the most recent information.
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