Trail Running calendar near Nederland 2026-2027

Experience the scenic redstone hardpack of Northern Colorados Front Range mountains. This event offers marathon and half marathon distances on singletrack trails with moderate elevation and generous time limits.

Experience single track trails and dirt paths at Bear Creek Lake Park with views of the Denver skyline. Enjoy a post race party with food and beverages included in your registration for both the 5 and 10 mile distances.

Trail races at Bear Creek Lake Park offering 5 km, 15 km, a 5 km plus 15 km double, and a Kids 1 km. Main race registration includes socks or a neck gaiter and a pancake breakfast while kids receive a stuffy at the finish.

Experience 13.1 miles of singletrack trails and hills in the Highlands Ranch Backcountry Wilderness Area. Enjoy custom medals and a post race pancake breakfast while competing for cash prizes in various categories.

Experience the scenic beauty of the Front Range at this annual Colorado trail event featuring half marathon, 10K, and 5K distances on mostly dirt paths with views of the Flatirons.

The Sawmill Trail Runs offer three scenic trail distances at Staunton State Park in Colorado. This popular event with limited capacity requires off-site parking and a shuttle. Participants should prepare for unpredictable December mountain..