The 2025 event has concluded.

Tidewater Strider Dismal Swamp Marathon

Chesapeake, VA, USA · December 7, 2025
partly-cloudy-day30°·35° high·Calm·Dry
6
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Race Day Weather

partly-cloudy-day
30°at start
39° high
Calm
Dry

Cold start, perfect race conditions

Runners will face temperatures starting at 30°F and rising to 36°F, with a gentle breeze from the WSW at 3 mph. With high humidity at 97% and a dew point of 31°F, maintaining hydration will be crucial. Runners should consider wearing layers to manage the cold without overheating as they warm up.

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Distance: 26.2mi
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Race Info

Area Map

Course Map

FAQ

When is the 2025 Tidewater Strider Dismal Swamp Marathon?

The 2025 Tidewater Strider Dismal Swamp Marathon will be held on Sunday December 7, 2025.

Is the Tidewater Strider Dismal Swamp Marathon a Boston Marathon Qualifier?

Yes, the Tidewater Strider Dismal Swamp Marathon is an official Boston Marathon qualifier.

What is the time limit for the Tidewater Strider Dismal Swamp Marathon?

The time limit for the Tidewater Strider Dismal Swamp Marathon is 6.25 hours.

What will the weather be like for the 2025 Tidewater Strider Dismal Swamp Marathon?

The forecast calls for a high of 40°F and a low of 29°F with a 0% chance of rain.

Historical Weather

Based on 2 years of data
Avg Temp
40°F
L:24° H:40°
RunScore
7
Conditions
Rain Freq
0%
0 of 2 yrs
Wind5mph
Dew25°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore
2025
fog
30°/36°-
6
2024
clear-night
18°/43°-
7