
Zürich, Switzerland · Wednesday 11 June 2025
The Forchlauf Halbmarathon is a challenging yet rewarding Swiss countryside race, taking runners from the Zurich suburbs to the scenic village of Forch. The route features lush meadows, dense forests, and breathtaking Alpine vistas, creating a tranquil yet demanding race environment. The course includes gradual climbs and rolling hills, testing endurance while rewarding participants with panoramic views over Lake Zurich. With a friendly and well-organized atmosphere, runners can expect Swiss eff
Adjusted Time
4:14:16
Time difference: +14.3 minutes compared to a flat, road, temperate course.
Forchlauf Halbmarathon is a full marathon held in Zürich, Switzerland, scheduled for Wednesday 11 June 2025. The course is run on road surface with 385m of total elevation gain, reaching a maximum altitude of 748m above sea level. For registration and full race details, visit the official Forchlauf Halbmarathon website.
This is a hilly course with 385m of total elevation gain. The route climbs from 599m to as high as 748m above sea level — a substantial 149m elevation range. Runners should train on hills and plan for a more conservative pacing strategy, especially on the climbs.
Based on historical weather data for June, the expected race day conditions are as follows. Moderate temperatures between 14°C and 26°C are expected. While comfortable for most runners, those targeting fast times should pay attention to hydration, as these temperatures can impact performance over the full distance. There is a low chance of rain (0%), so dry conditions are likely.
Forchlauf Halbmarathon 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 Forchlauf Halbmarathon 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 Forchlauf Halbmarathon against other marathons to find the right race for your goals.
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