Date
September 27, 2026
Field Size
Medium (500 - 1,999)
PR Score
92.6 / 100
BQ Rate
2.5%
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Course features multiple hill climbs and sharp descents, demanding both strength and strategy.
BQ rate is 2.5%, indicating a tough course for those aiming to qualify for Boston.
Field size capped at approximately 1,998 finishers allows for more space on the course and fewer bottlenecks.
Hilly profile contributes to a PR score of 92.57, suggesting a higher energy cost compared to flatter courses.
With a PR score of 92.57, the Boulder Marathon brings a significant challenge for those chasing BQ times. The hilly terrain means that every mile will demand attention, particularly on the ascents and descents that can vary your pace significantly. The race typically sees a smaller field size, with about 1,998 finishers, making for a less congested experience compared to larger marathons. Expect to contend with the elevation, as the course rolls through the stunning backdrop of Boulder, CO, elevating both the scenery and the effort required to finish strong.
Boulder, CO 09/27/2026 is an Emerging BQ venue — a legitimate qualifier for committed runners, though BQ rates are still building as the race grows. Historically, around 2.5% of finishers have posted Boston-qualifying times here. The hilly course profile separates this race from the fast-course tier, requiring a disciplined strategy to run a BQ-quality time.
Focus on maintaining a steady effort uphill while allowing gravity to assist on the descents. Plan to conserve energy in the early miles and anticipate the hilly sections, adjusting your pace accordingly to avoid burnout before the finish.
Detailed elevation profile data is being prepared for this race. Check back soon for interactive course analysis.
Typical conditions: Cool (40–60°F), ideal racing conditions. Fall conditions are typically the most reliable for marathon efforts, with cool mornings that hold through the finish for most runners.
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