
Estes Park, United States of America · Sunday 21 June 2026
The Estes Park Marathon, held on June 15, 2025, in Estes Park, Colorado, is a scenic event that takes runners through the breathtaking landscapes of the Rocky Mountains. The course starts at the Dao House on Highway 7 and descends 1500 feet within the first 6.5 miles, featuring a mix of dirt trails and smooth roadways. Marathon runners will travel on the Lake Estes Trail and complete the Dry Gulch/Devil's Gulch loop, passing the historic Stanley Hotel.\n\nWith its stunning mountain views and sce
Adjusted Time
3:59:03
Time difference: -1.0 minutes compared to a flat, road, temperate course.
Estes Park Marathon is a full marathon held in Estes Park, United States of America, scheduled for Sunday 21 June 2026. The course is run on road surface with 0m of total elevation gain, reaching a maximum altitude of 0m above sea level. For registration and full race details, visit the official Estes Park Marathon website.
This is a very flat course with only 0m of total elevation gain across the full distance. The course ranges from 0m to 0m above sea level — a 0m elevation range that makes it one of the flatter races available. Runners targeting a personal best will appreciate the minimal climbing.
Based on historical weather data for June, the expected race day conditions are as follows. Moderate temperatures between 13°C and 28°C are expected. While comfortable for most runners, those targeting fast times should pay attention to hydration, as these temperatures can impact performance over the full distance. There is a low chance of rain (12%), so dry conditions are likely.
Estes Park Marathon is run on road surfaces, which provide the fastest and most predictable conditions for marathon running. Road courses allow for consistent pacing and are typically the best choice for runners targeting a personal best time.
Our difficulty rating for Estes Park Marathon is calculated using a model that combines elevation gain, temperature impact, and surface type. Use the difficulty calculator above to enter your target finish time and see exactly how many minutes this course would add or subtract compared to a perfectly flat, cool, road-based marathon. Faster runners and slower runners are affected differently by the same course conditions, so the difficulty is personalised to your pace.
Looking for an easier marathon or a tougher challenge? You can also compare Estes Park Marathon against other marathons to find the right race for your goals.
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