Sarmang Dehradun Marathon
Dehradun, India · Sunday 4 October 2026
Sarmang Dehradun Marathon is a prestigious road running event held annually in Dehradun, Uttarakhand, India. The race features a full marathon, half marathon, 10 km, 5 km, and 2 km fun run, making it accessible to runners of all levels. The course is certified by World Athletics and is an associate member of AIMS, ensuring that it meets international standards for distance running. This marathon is a must-do for those seeking a memorable experience amidst India's natural beauty.
Difficulty Calculator
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Adjusted Time
4:46:59
Time difference: +47.0 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain757m
Elevation High888m
Elevation Low646m
Weather Forecast
High30°C
Low20°C
Chance of Rain5%
How hard is Sarmang Dehradun Marathon?
Very Difficultharder than 91% of marathons
Flattest / easiestHardest
On our difficulty model, Sarmang Dehradun Marathon plays about 40 minutes slower than an average road marathon for a 3:30 runner. It ranks #104 hardest of 1150 marathons we analyse, and #1 of 4 in India. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at Sarmang Dehradun 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 Sarmang Dehradun Marathon | Difference |
|---|---|---|
| 3:00:00 | 3:24:59 | +24:59 |
| 3:30:00 | 4:05:26 | +35:26 |
| 4:00:00 | 4:46:59 | +46:59 |
| 4:30:00 | 5:29:33 | +59:33 |
| 5:00:00 | 6:13:02 | +1:13:02 |
| 5:30:00 | 6:57:25 | +1:27:25 |
| 6:00:00 | 7:42:38 | +1:42:38 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Sarmang Dehradun Marathon 2026 Course Analysis
Sarmang Dehradun Marathon is a full marathon held in Dehradun, India. It is scheduled for Sunday 4 October 2026. The course is run on road surface with 757m of total climbing, with its high point near 888m above sea level. For registration and full race details, visit the official Sarmang Dehradun Marathon website.
Elevation Profile
This is a very challenging course with 757m of total climbing - well above the average road marathon - topping out around 888m above sea level. Hill training is essential, and you should expect a slower finish time than on a flat course.
Expected Race Day Weather
Based on historical weather data for October, the expected race day conditions are as follows. Hot conditions are expected, with temperatures between 20°C and 30°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 (5%), so dry conditions are likely.
Surface Type: Road
Sarmang Dehradun 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 Sarmang Dehradun Marathon against other marathons to find the right race for your goals.
Marathons of similar difficulty
If Sarmang Dehradun Marathon fits your goal, these courses play out about the same on our difficulty model.