Dallas Marathon
Dallas, United States of America · Sunday 13 December 2026
The Dallas Marathon is an annual running event held in Dallas, Texas, that attracts a diverse field of participants including runners, walkers, and wheelchair competitors. The event takes place over a three-day weekend and features multiple race distances, with more than 30,000 participants typically involved each year. The main race starts and finishes in downtown Dallas, specifically on Young Street near the Dallas Police Memorial close to City Hall.
Difficulty Calculator
h
:m
:s
Adjusted Time
4:38:48
Time difference: +38.8 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain257m
Elevation High179m
Elevation Low120m
Weather Forecast
High12°C
Low7°C
Chance of Rain5%
How hard is Dallas Marathon?
Very Difficultharder than 90% of marathons
Flattest / easiestHardest
On our difficulty model, Dallas Marathon plays about 40 minutes slower than an average road marathon for a 3:30 runner. It ranks #115 hardest of 1151 marathons we analyse, and #57 of 576 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 Dallas 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 Dallas Marathon | Difference |
|---|---|---|
| 3:00:00 | 3:30:08 | +30:08 |
| 3:30:00 | 4:04:33 | +34:33 |
| 4:00:00 | 4:38:48 | +38:48 |
| 4:30:00 | 5:12:58 | +42:58 |
| 5:00:00 | 5:47:04 | +47:04 |
| 5:30:00 | 6:21:10 | +51:10 |
| 6:00:00 | 6:55:16 | +55:16 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Dallas Marathon 2026 Course Analysis
Dallas Marathon is a full marathon held in Dallas, United States of America. It is scheduled for Sunday 13 December 2026. The course is run on trail surface with 257m of total climbing, with its high point near 179m above sea level. For registration and full race details, visit the official Dallas Marathon website.
Elevation Profile
With 257m 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 December, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 7°C to 12°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 (5%), so dry conditions are likely.
Surface Type: Trail
Dallas 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 Dallas Marathon against other marathons to find the right race for your goals.
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