Greifenseelauf
Uster, Switzerland · Sunday 20 September 2026
The Greifenseelauf is a stunning race set around the beautiful Greifensee, located just outside of Zurich. Known for its flat, fast course, the race offers runners the chance to experience a picturesque route that circles the lake and passes through scenic woodlands, charming villages, and lush meadows.
Difficulty Calculator
h
:m
:s
Adjusted Time
4:03:31
Time difference: +3.5 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain97m
Elevation High407m
Elevation Low365m
Weather Forecast
High27°C
Low14°C
Chance of Rain0%
How hard is Greifenseelauf?
Difficultharder than 57% of marathons
Flattest / easiestHardest
On our difficulty model, Greifenseelauf plays about 7 minutes slower than an average road marathon for a 3:30 runner. It ranks #493 hardest of 1150 marathons we analyse, and #7 of 13 in Switzerland. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at Greifenseelauf?
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 Greifenseelauf | Difference |
|---|---|---|
| 3:00:00 | 3:00:42 | +00:42 |
| 3:30:00 | 3:32:04 | +02:04 |
| 4:00:00 | 4:03:31 | +03:31 |
| 4:30:00 | 4:35:03 | +05:03 |
| 5:00:00 | 5:06:40 | +06:40 |
| 5:30:00 | 5:38:21 | +08:21 |
| 6:00:00 | 6:10:06 | +10:06 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Greifenseelauf 2026 Course Analysis
Greifenseelauf is a full marathon held in Uster, Switzerland. It is scheduled for Sunday 20 September 2026. The course is run on road surface with 97m of total climbing, with its high point near 407m above sea level. For registration and full race details, visit the official Greifenseelauf website.
Elevation Profile
This is a very flat course, with only 97m of total climbing and little change in altitude throughout. Flat profiles let you hold an even pace from start to finish, which makes this a fast, PB-friendly race.
Expected Race Day Weather
Based on historical weather data for September, the expected race day conditions are as follows. Moderate temperatures between 14°C and 27°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 low chance of rain (0%), so dry conditions are likely.
Surface Type: Road
Greifenseelauf 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 Greifenseelauf against other marathons to find the right race for your goals.
Marathons of similar difficulty
If Greifenseelauf fits your goal, these courses play out about the same on our difficulty model.
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