The 2025 event has concluded.
Clear conditions throughout the day.
A disruptor in the GPS watch market: lightweight, long battery, training, racing recovery. COROS PACE 3.When you buy through our links, we may earn a commission.
The Rim Rock Marathon and Half Marathon course follows the famous Rim Rock Drive through the Colorado National Monument, giving runners beautiful views of the Grand Valley. The views along the race course are unmatched and perfect for runners looking for something MONUMENTAL. Source