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Ned Ned Half Marathon

Nederland, United States • 13 Sep 2025

NedNed Trail Fest takes place in Nederland, Colorado, at 151 East Street, in the heart of Old Town. The event offers a trail Half Marathon (13.3 miles) with about 1,408 feet of elevation gain, a 10K (6.3 miles) with 712 feet of gain, and a 5K road run that is family- and pet-friendly (dogs on leash in the 5K only). The course traverses dirt roads and single-track trails, showcasing stunning Colorado mountain scenery. Notable features include a cupless policy to reduce waste, with a Hydrapak SpeedCup option at registration, and costumes encouraged. It’s one of Colorado’s longest-running trail half marathons and supports Teens, Inc. Visit the organization's website for the most recent information.

United States Colorado Nederland

Race information

Website Registration
21 km
Half Marathon
10 km
10k
5 km
Visit the organization's website for the most recent information.
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