Date
September 6, 2026
Field Size
Small (<500)
PR Score
103.0 / 100
BQ Rate
33.8%
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Net downhill of 980ft from Sundance to Spearfish, ideal for speed
PR Score of 103.03, indicating faster conditions overall
BQ rate of 33.8%, attracting competitive runners
Field size of 74 finishers, ensuring a close-knit race experience
Scenic course through the Black Hills, offering stunning views
The Sundance to Spearfish Marathon is a downhill race that takes runners from the scenic heights of the Black Hills in South Dakota down into the charming town of Spearfish. This small, intimate race offers a unique experience amid the natural beauty of the Midwest, with its dramatic descent presenting both an enticing challenge and a strategic advantage for marathoners looking to achieve personal bests. The natural landscape transitions from rugged hillsides to sweeping valley views, making every mile a scenic delight. With a Boston Qualifying rate of 33.8%, the Sundance to Spearfish Marathon stands out as a promising option for those aiming for Boston. The downhill profile, with a PR score of 103.03, highlights its potential for speed. However, it's essential to remember that the high BQ rate is partly due to seasoned runners who know how to manage the course's demanding descent. Runners starting their journey from Sundance can expect a transformative experience from dense forested areas to open, panoramic views. The small field size of just 74 finishers creates a cozy and supportive atmosphere, allowing for personal moments and camaraderie among participants. The simplicity of the setting means minimal distractions, enabling runners to focus intensely on their race strategy. Spearfish is known for its community warmth and support. While small, the town's enthusiasm for the marathon is palpable. Residents are welcoming, and local volunteers are always eager to lend a hand, making the event feel like more than just a race – it's a community celebration of endurance and spirit.
Sundance to Spearfish Marathon is a High qualifier likelihood race — one of the more reliable venues in the country for runners targeting a Boston qualifier. Historically, around 33.8% of finishers have posted Boston-qualifying times here. The net-downhill profile creates genuine PR conditions, but demands respect — early miles require disciplined effort to avoid blowing up late.
The Sundance to Spearfish Marathon necessitates a strong start without overcommitting. The early miles contain the steepest parts of the descent, which can be tempting to attack. Instead, maintain controlled, efficient strides to save your quads. Focus on rhythm through the middle section as the course flattens slightly, harnessing momentum from the initial drop. In the final miles where the terrain softens, push your pace carefully, utilizing any reserve energy to secure a BQ. Practicing downhill running in your training can significantly improve handling on race day.
The marathon starts in the small town of Sundance, with the finish line located in the heart of Spearfish. Given the race's size, expect a low-key expo, typically set up near local facilities offering essentials like bib pickup. Bag check is usually available at the start. Spectators have excellent access along key points due to the open nature of the course, particularly near the finish area where community support is strongest.
Incorporate long downhill runs into your training to build quad strength and control
Focus on negative splits in training to mimic race day strategy
Practice running at marathon pace on varied terrain to adapt to the course profile
No elevation data was found in the course profile file.
Historical average based on 3-year data for this race date
Temp
71.7°F / 46.7°F
Conditions
Partly Cloudy
Precipitation
0.00 in
Wind
9.9 mph
Historical averages · Source: Open-Meteo · Actual conditions will vary
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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Last reviewed:June 2026