Race Time Simulator: Estimate Your Time Based on Your Level and Race Conditions
Whether you're a road runner, trail runner, cyclist, or swimmer, it's essential to have clear benchmarks to assess your performance and set realistic goals. With our target time simulator, you can estimate your ideal, realistic, and easy time based on several parameters: your experience, the terrain, the weather, and many other criteria.
Want to know if your 10K time is optimized? If your marathon goal is realistic? Or how a mountain trail will impact your speed? Discover our exclusive tool and refine your running strategy.

Why use a lesson time simulator?
When preparing a course, it is difficult to accurately assess its potential, as many factors come into play:
- Experience: A beginner will not maintain the same pace as an advanced runner.
- The type of terrain: Running on the road, on the trail or in the mountains considerably changes the final time.
- Weather: Heat, rain, wind or cold influence performance.
- The difference in altitude: The more climbs there are, the more demanding the effort.
Our performance simulator takes all these elements into account to give you three reference times:
• Ideal Chrono: If everything goes perfectly.
• Realistic Chrono: Based on your real conditions.
• Easy Chrono: A goal that can be achieved without forcing yourself.
Performance tip: Consider optimizing your recovery with our Black Belt Recovery shower gel, designed to soothe muscles after exercise and eliminate toxins.
How to estimate your time for a 5 km, 10 km, half marathon or marathon?
One of the most common uses of our simulator is to obtain a projection of a time over a given distance. Here are some average references:
Distance | Beginner | Intermediate | Advance |
5km | 30-35 min | 22-28 min | <20 min |
10km | 55-65 min | 42-50 | <40 min |
Half Marathon | 2h10-2h30 | 1h35-1h55 | <1h30 |
Marthahon | 4:30-5:00 | 3:30-4:00 | <3h15 |
But these benchmarks aren't set in stone! These times can vary depending on the terrain and weather conditions. Use our simulator to get an accurate estimate tailored to your situation.
Leave nothing to chance: Boost your energy and recovery with our Black Belt Nutrition range, specially developed for runners and endurance athletes.
Simulator for trail running and cycling: adapt your time prediction
Unlike road running, trail running and cycling are heavily influenced by elevation and terrain type. Here are some common differences depending on the type of terrain:
• Rolling trail (forest tracks): approximately +10% time compared to the road.
• Trail technique (rocks, roots, steep climbs): +20 to 40% more time.
• Uphill cycling: 1000m of elevation gain adds around 15 to 20 minutes depending on the slope and the wind.
Our simulator integrates these parameters and adjusts your target time according to your discipline and real conditions.

Test our simulator and achieve your goals!
Ready to find out what time you can aim for? Try our race time simulator now and see if your next 10K, half marathon, or marathon is within your reach!
Optimize your preparation with our Black Belt Nutrition supplements and recover effectively with our Black Belt Recovery shower gel!
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ATTENTION for the difference in altitude box (in m) if there is none, please note at least "1"
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