
Kassel, Germany · Sunday 14 September 2025
Kassel Marathon, held annually in Kassel, Germany, is a prestigious event known for its fast course. The race features a full marathon, half marathon, and various other distances, including a children's marathon and Nordic walking events. The course is relatively flat, making it ideal for achieving personal bests. It is the third-fastest marathon in Germany, attracting serious runners from across Europe.\n\nWith its well-organized setup and festive atmosphere, including cultural highlights like
Adjusted Time
3:58:58
Time difference: -1.0 minutes compared to a flat, road, temperate course.
Kassel Marathon is a full marathon held in Kassel, Germany, scheduled for Sunday 14 September 2025. The course is run on road surface with 172m of total elevation gain, reaching a maximum altitude of 215m above sea level. For registration and full race details, visit the official Kassel Marathon website.
With 172m of elevation gain, this is a moderately undulating course. The route ranges from 145m to 215m above sea level (70m total range). While not completely flat, the elevation changes are manageable for most runners and shouldn't significantly impact pacing strategy.
Based on historical weather data for September, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 10°C to 18°C. This temperature range is widely considered optimal for marathon performance, allowing efficient heat dissipation without cold-related issues. There is a high chance of rain (85%). Runners should prepare for wet conditions, including appropriate footwear and clothing choices.
Kassel Marathon is run on road surfaces, which provide the fastest and most predictable conditions for marathon running. Road courses allow for consistent pacing and are typically the best choice for runners targeting a personal best time.
Our difficulty rating for Kassel 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 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 Kassel Marathon against other marathons to find the right race for your goals.
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