RDC Marathon
Durham, United States of America · Sunday 25 October 2026
The RDC Marathon is a long-distance running event named using the abbreviation \"RDC,\" though the specific meaning and associated location are not confirmed in the provided results. Drawing from the conventions of internationally recognized marathon events, the RDC Marathon is likely modeled after the standard marathon distance of 42.195 kilometers, a direct legacy of the race's historic origins in Ancient Greece.
Difficulty Calculator
h
:m
:s
Adjusted Time
4:02:25
Time difference: +2.4 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain256m
Elevation High114m
Elevation Low71m
Weather Forecast
High17°C
Low5°C
Chance of Rain2%
How hard is RDC Marathon?
Moderateharder than 48% of marathons
Flattest / easiestHardest
On our difficulty model, RDC Marathon plays about 6 minutes slower than an average road marathon for a 3:30 runner. It ranks #599 hardest of 1150 marathons we analyse, and #320 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 RDC 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 RDC Marathon | Difference |
|---|---|---|
| 3:00:00 | 2:59:02 | −00:58 |
| 3:30:00 | 3:30:38 | +00:38 |
| 4:00:00 | 4:02:25 | +02:25 |
| 4:30:00 | 4:34:23 | +04:23 |
| 5:00:00 | 5:06:29 | +06:29 |
| 5:30:00 | 5:38:45 | +08:45 |
| 6:00:00 | 6:11:09 | +11:09 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
RDC Marathon 2026 Course Analysis
RDC Marathon is a full marathon held in Durham, United States of America. It is scheduled for Sunday 25 October 2026. The course is run on road surface with 256m of total climbing, with its high point near 114m above sea level. For registration and full race details, visit the official RDC Marathon website.
Elevation Profile
With 256m 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 October, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 5°C to 17°C. This temperature range is widely considered optimal for marathon performance, allowing efficient heat dissipation without cold-related issues. There is a low chance of rain (2%), so dry conditions are likely.
Surface Type: Road
RDC 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 RDC Marathon against other marathons to find the right race for your goals.
Marathons of similar difficulty
If RDC Marathon fits your goal, these courses play out about the same on our difficulty model.
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