
Bethany Beach, United States of America · Wednesday 30 June 2027
The event takes place annually in the spring on Delaware's coast, with the marathon starting and finishing on the Rehoboth Beach Boardwalk. The course is primarily flat and spans 26.2 miles, making it suitable for runners seeking personal records or an easier marathon experience. Participants travel through a variety of environments, including paved streets, boardwalks, and scenic trails.
Adjusted Time
4:43:49
Time difference: +43.8 minutes compared to a flat, road, temperate course.
On our difficulty model, Coastal Delaware Running Festival Marathon plays about 44 minutes slower than an average road marathon for a 3:30 runner. It ranks #80 hardest of 1150 marathons we analyse, and #30 of 575 in United States of America. Use the calculator above to see the exact adjusted time for your own goal pace.
Estimated finish times on this course versus the same effort on an average road marathon, based on its elevation, surface, and expected race-day temperature.
| Average-course time | On Coastal Delaware Running Festival Marathon | Difference |
|---|---|---|
| 3:00:00 | 3:34:37 | +34:37 |
| 3:30:00 | 4:09:20 | +39:20 |
| 4:00:00 | 4:43:49 | +43:49 |
| 4:30:00 | 5:18:08 | +48:08 |
| 5:00:00 | 5:52:21 | +52:21 |
| 5:30:00 | 6:26:29 | +56:29 |
| 6:00:00 | 7:00:34 | +1:00:34 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Coastal Delaware Running Festival Marathon is a full marathon held in Bethany Beach, United States of America. It is scheduled for Wednesday 30 June 2027. The course is run on trail surface with 54m of total climbing, with its high point near 13m above sea level. For registration and full race details, visit the official Coastal Delaware Running Festival Marathon website.
This is a very flat course, with only 54m 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.
Based on historical weather data for June, the expected race day conditions are as follows. Hot conditions are expected, with temperatures between 19°C and 28°C. Heat is one of the biggest performance factors in distance running - for every degree above 15°C, finish times can slow by roughly 1-2%. Extra hydration and a conservative start are strongly recommended. There is a low chance of rain (2%), so dry conditions are likely.
Coastal Delaware Running Festival 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 Coastal Delaware Running Festival Marathon against other marathons to find the right race for your goals.
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