Knysna Forest Marathon
Knysna, South Africa · Monday 24 May 2027
Knysna Forest Marathon, held in Knysna, South Africa, is a unique event that takes place deep within the Knysna Forest. The race features a full marathon, half marathon, and 5 km distances, offering breathtaking views of the Knysna lagoon and The Heads. Participants start early in the morning, enjoying the cool forest air and scenic landscapes.
Difficulty Calculator
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:m
:s
Adjusted Time
4:57:46
Time difference: +57.8 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain586m
Elevation High488m
Elevation Low4m
Weather Forecast
High19°C
Low10°C
Chance of Rain0%
How hard is Knysna Forest Marathon?
Very Difficultharder than 96% of marathons
Flattest / easiestHardest
On our difficulty model, Knysna Forest Marathon plays about 54 minutes slower than an average road marathon for a 3:30 runner. It ranks #51 hardest of 1150 marathons we analyse, and #1 of 12 in South Africa. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at Knysna Forest 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 Knysna Forest Marathon | Difference |
|---|---|---|
| 3:00:00 | 3:40:24 | +40:24 |
| 3:30:00 | 4:18:55 | +48:55 |
| 4:00:00 | 4:57:46 | +57:46 |
| 4:30:00 | 5:37:00 | +1:07:00 |
| 5:00:00 | 6:16:38 | +1:16:38 |
| 5:30:00 | 6:56:39 | +1:26:39 |
| 6:00:00 | 7:37:03 | +1:37:03 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Knysna Forest Marathon 2027 Course Analysis
Knysna Forest Marathon is a full marathon held in Knysna, South Africa. It is scheduled for Monday 24 May 2027. The course is run on trail surface with 586m of total climbing, with its high point near 488m above sea level. For registration and full race details, visit the official Knysna Forest Marathon website.
Elevation Profile
This is a hilly course with 586m of total climbing, rising to around 488m above sea level. It pays to train on hills and to pace the climbs conservatively.
Expected Race Day Weather
Based on historical weather data for May, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 10°C to 19°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 (0%), so dry conditions are likely.
Surface Type: Trail
Knysna Forest 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 Knysna Forest Marathon against other marathons to find the right race for your goals.
Marathons of similar difficulty
If Knysna Forest Marathon fits your goal, these courses play out about the same on our difficulty model.
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