Ned Ned Half Marathon

Nederland, United States • 13 Sep 2025

The Ned Ned Half Marathon is a long-standing trail running event held in Nederland, Colorado, a picturesque mountain town at 8,236 feet elevation. Celebrating over 43 years, the race features a challenging 13.3-mile half marathon with 1,408 feet of elevation gain, traversing dirt roads and single-track trails that showcase the area's natural beauty and history. The event also offers a 10K trail run and a family-friendly 5K road run through Old Town Nederland, where participants can run with leashed dogs and are encouraged to wear costumes. The race promotes sustainability by being cupless and supports local youth programs through TEENS, Inc. 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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