Date
December 6, 2026
Field Size
Small (<500)
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Takes place in December, presenting a unique winter running experience in southeastern Virginia.
This marathon is about as flat as you can get, making it a strong contender for Boston qualifiers. The Dismal Swamp Marathon takes you through the less-traveled paths of Chesapeake, VA, where nature surrounds you and the quiet terrain allows for focused running.
BMQR course profile: Very Flat.
To maximize your chances of qualifying for Boston, maintain a consistent effort on this flat course. Since there are few elevation changes, focus on running evenly and pacing wisely to avoid burnout during the latter miles.
Detailed elevation profile data is being prepared for this race. Check back soon for interactive course analysis.
Historical average based on 3-year data for this race date
Temp
42.3°F / 34.9°F
Conditions
Partly Cloudy
Precipitation
0.02 in
Wind
11.7 mph
Historical averages · Source: Open-Meteo · Actual conditions will vary
Typical conditions: Cool (35–50°F). Winter races reward layers at the start line. Most runners strip down after the first few miles as effort warms them up.
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