2026 Zhengzhou Marathon - Oct 31 Countdown

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Race Information

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
Cutoff pace	8:53/km
Timezone	Asia/Shanghai
Official Site	Zhengzhou Municipal People's Government
Registration	Register

Race Day Weather

Average Temperature	12.8°C / 55°F
Humidity	65%
Wind	17.2 km/h
Rain Chance	12%
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 Impact on Race Day

Wind at 17.2 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 →

Race-Week Climate

Based on 20 years of race-week weather (2005-2024), MERRA-2 reanalysis

	Cooler	Typical	Warmer
Temperature	9.1°C	12.9°C	16.5°C
Dew point	-0.8°C	5.9°C	10.8°C

Wet-day chance: 12% Runnability: 82/100

Data: NASA POWER (MERRA-2 reanalysis), NASA Langley Research Center

Course Profile

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