Date
December 6, 2026
Field Size
Small (<500)
PR Score
99.7 / 100
BQ Rate
15.1%
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Very flat course profile, with a PR score of 99.7 indicating minimal elevation changes.
BQ rate of 15.1%, providing a decent chance for those aiming to qualify for Boston.
Small field size of only 73 finishers, which can translate into less congestion on the course.
Takes place in December, presenting a unique winter running experience in southeastern Virginia.
With a PR score of 99.7, 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. While it’s not the biggest race on the calendar, the intimate field size of just 73 finishers creates a supportive atmosphere among runners.
Tidewater Striders Dismal Swamp Marathon carries a Medium qualifier likelihood — a solid BQ opportunity for well-prepared runners who arrive race-ready. Historically, around 15.1% of finishers have posted Boston-qualifying times here. The course profile rewards runners who execute a well-paced effort from the start.
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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