Half marathon athletes will start out heading west on Big Dry Creek Trail toward Standley Lake Regional Park. At about 2.5 miles athletes will begin 4 miles of the gravel trail & road system within the park, including the views along a north/south dogleg near the dam, then exit the park to continue west toward the south trailhead and the turnaround with spectacular views of Standley Lake and the Flatirons. As they return the way they came, athletes will skip the dogleg, return to Big Dry Creek Trail and head straight for the finish. 8 opportunities to fuel up (+4 toilets).

10K athletes will leave the office parking lot to head west on Big Dry Creek Trail for 3.1 miles. After turning around, returning the way they came on this out & back course. 4 opportunities to fuel up (+ 2 toilets).

5K athletes will leave the office parking lot to head west on Big Dry Creek Trail for 1.55 miles. After turning around, return the way they came on this out & back course. 2 opportunities to fuel up (+2 toilets).

Participate virtually! Get all of the SWAG, including a distance medal, shipped to you the week after the event, maintain eligibility for series finisher award and alumni brag tags, and get distance credit towards the Run Amok Championship!

Participate virtually! Get all of the SWAG, including a distance medal, shipped to you the week after the event, maintain eligibility for series finisher award and alumni brag tags, and get distance credit towards the Run Amok Championship!

Participate virtually! Get all of the SWAG, including a distance medal, shipped to you the week after the event, maintain eligibility for series finisher award and alumni brag tags, and get distance credit towards the Run Amok Championship!