Delaware Marathon
Wilmington, United States of America · Monday 19 April 2027
The Delaware Marathon is a 26.2-mile road race held annually in Wilmington, Delaware, typically starting and finishing at Tubman-Garrett Riverfront Park in downtown Wilmington near the Amtrak train station. The course covers both urban and scenic park environments, traversing notable city landmarks and natural areas.
Difficulty Calculator
h
:m
:s
Adjusted Time
4:05:04
Time difference: +5.1 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain111m
Elevation High74m
Elevation Low0m
Weather Forecast
High29°C
Low12°C
Chance of Rain14%
How hard is Delaware Marathon?
Difficultharder than 59% of marathons
Flattest / easiestHardest
On our difficulty model, Delaware Marathon plays about 8 minutes slower than an average road marathon for a 3:30 runner. It ranks #477 hardest of 1150 marathons we analyse, and #251 of 575 in United States of America. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at Delaware Marathon?
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 Delaware Marathon | Difference |
|---|---|---|
| 3:00:00 | 3:01:38 | +01:38 |
| 3:30:00 | 3:33:17 | +03:17 |
| 4:00:00 | 4:05:04 | +05:04 |
| 4:30:00 | 4:36:57 | +06:57 |
| 5:00:00 | 5:08:56 | +08:56 |
| 5:30:00 | 5:41:01 | +11:01 |
| 6:00:00 | 6:13:12 | +13:12 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Delaware Marathon 2027 Course Analysis
Delaware Marathon is a full marathon held in Wilmington, United States of America. It is scheduled for Monday 19 April 2027. The course is run on road surface with 111m of total climbing, with its high point near 74m above sea level. For registration and full race details, visit the official Delaware Marathon website.
Elevation Profile
With 111m of total climbing, this is a gently undulating course. The elevation changes are manageable for most runners and shouldn't greatly affect your pacing.
Expected Race Day Weather
Based on historical weather data for April, the expected race day conditions are as follows. Moderate temperatures between 12°C and 29°C are expected. While comfortable for most runners, those targeting fast times should pay attention to hydration, as these temperatures can impact performance on race day. There is a low chance of rain (14%), so dry conditions are likely.
Surface Type: Road
Delaware Marathon is run on road surfaces, which provide the fastest and most predictable conditions for racing. Road courses allow for consistent pacing and are typically the best choice for a personal best.
Looking for an easier marathon or a tougher challenge? You can also compare Delaware Marathon against other marathons to find the right race for your goals.
Marathons of similar difficulty
If Delaware Marathon fits your goal, these courses play out about the same on our difficulty model.
Other Marathons in United States of America
Big Beach Marathon
Gulf Shores, United States of America
Trail96m gainSept 2026
Big Beach Marathon and Half Marathon
Gulf Shores, United States of America
Road56m gainSept 2026
Salmon Marathon
Salmon, United States of America
Road246m gainSept 2026
Marquette Marathon
Marquette, United States of America
Road107m gainSept 2026
Labor of Love Marathon
Las Vegas, United States of America
Road0m gainSept 2026
St. Patricks Marathon
Washington, United States of America
Road33m gainSept 2026