Knysna Forest Half Marathon
Knysna, South Africa · Sunday 24 May 2026
Set in the heart of the Knysna Forest, this half marathon is an immersive trail running experience that takes participants through one of South Africa’s most pristine and breathtaking landscapes. The course winds through towering indigenous trees, rolling hills, and misty morning trails, offering a cool, peaceful escape from urban running.\n\nThe challenge lies in its undulating terrain, with gradual climbs and exhilarating descents keeping runners engaged throughout. The early morning start enh
Difficulty Calculator
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:m
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Adjusted Time
2:30:02
Time difference: +45.0 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain255m
Elevation High287m
Elevation Low5m
Weather Forecast
High16°C
Low11°C
Chance of Rain35%
Knysna Forest Half Marathon 2026 Course Analysis
Knysna Forest Half Marathon is a half marathon held in Knysna, South Africa, scheduled for Sunday 24 May 2026. The course is run on trail surface with 255m of total elevation gain, reaching a maximum altitude of 287m above sea level. For registration and full race details, visit the official Knysna Forest Half Marathon website.
Elevation Profile
With 255m of elevation gain, this is a moderately undulating course. The route ranges from 5m to 287m above sea level (282m total range). While not completely flat, the elevation changes are manageable for most runners and shouldn't significantly impact pacing strategy.
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 11°C to 16°C. This temperature range is widely considered optimal for marathon performance, allowing efficient heat dissipation without cold-related issues. There is a moderate chance of rain (35%). Runners may want to prepare for wet conditions but shouldn't expect persistent rainfall.
Surface Type: Trail
Knysna Forest Half Marathon is a trail race, meaning the course includes unpaved surfaces such as dirt, gravel, or forest paths. Trail surfaces are inherently slower than road courses due to uneven footing, technical sections, and often steeper gradients. Trail-specific shoes with good grip are recommended, and runners should expect a finish time 10-20% slower than their equivalent road marathon time.
How Difficult Is Knysna Forest Half Marathon?
Our difficulty rating for Knysna Forest Half Marathon is calculated using a model that combines elevation gain, temperature impact, and surface type. Use the difficulty calculator above to enter your target finish time and see exactly how many minutes this course would add or subtract compared to a perfectly flat, cool, road-based half marathon. Faster runners and slower runners are affected differently by the same course conditions, so the difficulty is personalised to your pace.
Looking for an easier marathon or a tougher challenge? You can also compare Knysna Forest Half Marathon against other half marathons to find the right race for your goals.