Running Pace Calculator — Min/km, Finish Time & Pace Chart
Free running pace calculator for 5K, 10K, half marathon, and marathon. Get min/km or min/mile, your ...
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| Race | 2026 Shenzhen Marathon - Dec 20 |
|---|---|
| City | Shenzhen |
| Date | 2026-12-20 at 07:30 |
| Field Size | ~30,000 runners |
| Time Limit | 6 hours |
| Timezone | Asia/Shanghai |
| Official Site | Shenzhen Sports Association |
| Registration | Register · 200 CNY |
| Average Temperature | 17°C / 63°F |
|---|---|
| Humidity | 65% |
| Wind | 10 km/h |
| Rain Chance | 10% |
| Typical Conditions | Mild and pleasant with low humidity |
What to Prepare: December in Shenzhen offers near-ideal racing conditions — mild temperatures without the summer heat. Light racing kit is perfect. This is a great opportunity for a fast time if you're used to warmer climates.
Based on historical averages for race week. Use our Weather Score Calculator and What to Wear Guide for personalized advice.
Wind at 10 km/h can affect your marathon pace by 5-15 seconds per kilometer. Headwinds slow you down exponentially — a 20 km/h wind costs more than twice a 10 km/h wind.
Calculate your wind-adjusted pace →| Course Type | Urban Loop |
|---|---|
| Elevation Gain | 60m |
| Terrain | Road |
| Profile | Flat urban course through Shenzhen's modern tech district, passing the iconic skyline of Futian and Nanshan. Wide boulevards and excellent road surfaces make this a fast, well-organized city marathon. |
| Boston Qualifier | Yes — Check your BQ time |
Use our free training tools to get race-ready:
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