
Buena Vista, United States of America · Saturday 12 September 2026
A Half Marathon and 10K that twist and turn through sage brush and ponderosa pines, all while providing stunning views of the prestige Collegiate Peaks. Located in the Rocky Mountains along the roaring Arkansas River. Come Join Trail Sisters best weekend of the year in Buena Vista, Colorado. Travel with your Trail Sisters Local Group OR SOLO and you ll arrive to a welcoming community of supportive women who will ensure your day is filled with smiles, high-fives and the support you need to get to the finish line!
Adjusted Time
1:40:47
Time difference: -4.2 minutes compared to a flat, road, temperate course.
Trail Sisters Women's Half Marathon & 10k is a half marathon held in Buena Vista, United States of America, scheduled for Saturday 12 September 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 Trail Sisters Women's Half Marathon & 10k 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.
Trail Sisters Women's Half Marathon & 10k 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 Trail Sisters Women's Half Marathon & 10k 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 half 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 Trail Sisters Women's Half Marathon & 10k against other half marathons to find the right race for your goals.
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