Nairobi Marathon
Nairobi, Kenya · Monday 26 October 2026
Standard Chartered Nairobi Marathon, held on October 26, 2025, in Nairobi, Kenya, is a prestigious event that attracts thousands of participants from around the world. The race takes place along the Southern Bypass, offering a challenging yet rewarding experience for runners. The event features multiple distances, including a full marathon, half marathon, 10K, and family fun run, making it accessible to runners of all levels.
Difficulty Calculator
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:m
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Adjusted Time
4:14:51
Time difference: +14.8 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain298m
Elevation High1873m
Elevation Low1643m
Weather Forecast
High25°C
Low16°C
Chance of Rain25%
How hard is Nairobi Marathon?
Very Difficultharder than 74% of marathons
Flattest / easiestHardest
On our difficulty model, Nairobi Marathon plays about 16 minutes slower than an average road marathon for a 3:30 runner. It ranks #299 hardest of 1150 marathons we analyse. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at Nairobi 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 Nairobi Marathon | Difference |
|---|---|---|
| 3:00:00 | 3:06:52 | +06:52 |
| 3:30:00 | 3:40:40 | +10:40 |
| 4:00:00 | 4:14:51 | +14:51 |
| 4:30:00 | 4:49:21 | +19:21 |
| 5:00:00 | 5:24:11 | +24:11 |
| 5:30:00 | 5:59:19 | +29:19 |
| 6:00:00 | 6:34:44 | +34:44 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Nairobi Marathon 2026 Course Analysis
Nairobi Marathon is a full marathon held in Nairobi, Kenya. It is scheduled for Monday 26 October 2026. The course is run on road surface with 298m of total climbing, with its high point near 1873m above sea level. For registration and full race details, visit the official Nairobi Marathon website.
Elevation Profile
With 298m of total climbing, this is a gently undulating course, ranging between roughly 1643m and 1873m above sea level. 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. Moderate temperatures between 16°C and 25°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 moderate chance of rain (25%). Runners may want to prepare for wet conditions but shouldn't expect persistent rainfall.
Surface Type: Road
Nairobi 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 Nairobi Marathon against other marathons to find the right race for your goals.
Marathons of similar difficulty
If Nairobi Marathon fits your goal, these courses play out about the same on our difficulty model.