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 ...
Use Calculator →
Want personality modes & weather integration? Try the full countdown experience
| Race | 2026 Zhengzhou Marathon - Oct 31 |
|---|---|
| City | Zhengzhou |
| Date | 2026-10-31 at 07:30 |
| Field Size | ~12,000 runners |
| Time Limit | 6 hours 15 min |
| Timezone | Asia/Shanghai |
| Official Site | Zhengzhou Municipal People's Government |
| Registration | Register · 160 CNY |
| Average Temperature | 12°C / 54°F |
|---|---|
| Humidity | 55% |
| Wind | 14 km/h |
| Rain Chance | 15% |
| Typical Conditions | Cool and dry with clear skies |
What to Prepare: Dry conditions and low humidity make this a fast-friendly race. The cool October air is ideal for racing. Watch for wind on open road sections near the Yellow River.
Based on historical averages for race week. Use our Weather Score Calculator and What to Wear Guide for personalized advice.
Wind at 14 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 | Loop |
|---|---|
| Elevation Gain | 35m |
| Terrain | Road |
| Profile | Flat course through Zhengzhou passing along sections near the Yellow River. Wide roads and straightforward course profile. |
| Boston Qualifier | Yes — Check your BQ time |
Use our free training tools to get race-ready:
Free running pace calculator for 5K, 10K, half marathon, and marathon. Get min/km or min/mile, your ...
Use Calculator →Free printable pace band for marathon, half marathon, or custom distance. Choose even, negative, or ...
Use Calculator →7 AM race, wake at 3:45 AM? Enter the gun time; we work backward through meal, gear, bathroom, warm-...
Use Calculator →Is it safe to run outside right now? Enter your AQI to get EPA/WHO-based safety ratings, max exercis...
Use Calculator →Free marathon predictor — convert your 5K, 10K, or half marathon time into race-day estimates from R...
Use Calculator →Predict your race finish time from pace, or set a goal time to find required pace. Free instant calc...
Use Calculator →
New York · 2026-11-01
Hangzhou · 2026-11-01
Indianapolis · 2026-11-07
Athens · 2026-11-08
Richmond · 2026-11-14
Nanjing · 2026-11-15