Tidewater Striders Dismal Swamp Marathon

Tidewater Striders Dismal Swamp Marathon 2026 Course Analysis

Tidewater Striders Dismal Swamp Marathon is a full marathon held in Suffolk, United States of America. It is scheduled for Sunday 6 December 2026. The course is run on trail surface with 41m of total climbing, with its high point near 7m above sea level. For registration and full race details, visit the official Tidewater Striders Dismal Swamp Marathon website.

Elevation Profile

This is a very flat course, with only 41m of total climbing and little change in altitude throughout. Flat profiles let you hold an even pace from start to finish, which makes this a fast, PB-friendly race.

Expected Race Day Weather

Based on historical weather data for December, the expected race day conditions are as follows. Cold conditions are expected, with temperatures between 1°C and 5°C. While cold weather reduces overheating risk, runners should dress in layers and be prepared for potential wind chill. There is a low chance of rain (2%), so dry conditions are likely.

Surface Type: Trail

Tidewater Striders Dismal Swamp Marathon is a trail race, meaning the course includes unpaved surfaces such as dirt, gravel, or forest paths. Trail surfaces are usually slower than the road equivalent - often by 10-20% - because of uneven footing, technical sections, and frequently steeper gradients, though a smooth, non-technical or downhill trail can run faster than that suggests. Trail-specific shoes with good grip are recommended.

Looking for an easier marathon or a tougher challenge? You can also compare Tidewater Striders Dismal Swamp Marathon against other marathons to find the right race for your goals.