
Rennes, France · Monday 12 October 2026
The Tout Rennes Court is a popular half marathon that takes place in the vibrant city of Rennes, in Brittany, France. The course takes runners through Rennes’ historic center, along the Ille-et-Rance Canal, and through scenic parks and green spaces. The route is relatively flat, with only minor hills, making it ideal for both first-timers and seasoned runners.
Adjusted Time
4:03:40
Time difference: +3.7 minutes compared to a flat, road, temperate course.
On our difficulty model, Tout Rennes Court plays about 7 minutes slower than an average road marathon for a 3:30 runner. It ranks #509 hardest of 1150 marathons we analyse, and #11 of 33 in France. Use the calculator above to see the exact adjusted time for your own goal pace.
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 Tout Rennes Court | Difference |
|---|---|---|
| 3:00:00 | 3:00:03 | +00:03 |
| 3:30:00 | 3:31:46 | +01:46 |
| 4:00:00 | 4:03:40 | +03:40 |
| 4:30:00 | 4:35:44 | +05:44 |
| 5:00:00 | 5:07:56 | +07:56 |
| 5:30:00 | 5:40:18 | +10:18 |
| 6:00:00 | 6:12:47 | +12:47 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Tout Rennes Court is a full marathon held in Rennes, France. It is scheduled for Monday 12 October 2026. The course is run on road surface with 222m of total climbing, with its high point near 50m above sea level. For registration and full race details, visit the official Tout Rennes Court website.
With 222m of total climbing, this is a gently undulating course. The elevation changes are manageable for most runners and shouldn't greatly affect your pacing.
Based on historical weather data for October, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 8°C to 21°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.
Tout Rennes Court 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 Tout Rennes Court against other marathons to find the right race for your goals.
If Tout Rennes Court fits your goal, these courses play out about the same on our difficulty model.
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Reims, France
Côte-d'Or, France
Deauville, France