Chennai Twenty Miler

Chennai, India · January 3, 2027
partly-cloudy-night78°·78° high·Breezy·Dry
3
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Race Day Weather

partly-cloudy-day
78°at start
79° high
Breezy
Dry
Your goal
0:00:00

Hot start, moderate wind

A warm 78°F start means heat management is critical — consider dialing back your goal pace by 10-20 sec/mi. Moderate winds around 12mph may affect pacing on open sections of the course. Moderate humidity at 72% is worth noting for effort level, especially in later miles.

Race day forecast available in 63 days
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Race Info

The Chennai Marathon twenty miler covers 20 miles (32.2 km) from Napier Bridge beside Marina Beach to the Indian Maritime University on East Coast Road. It follows the same point-to-point route as the marathon, passing the lighthouse and Adyar before running down East Coast Road through Tiruvanmiyur, Neelankarai, Injambakkam and Akkarai to Uthandi. The route is flat and starts in the dark before dawn.

Race weekend

Sunday, January 3
4:00 AMTwenty Miler (20.0 mi)
5:00 AMHalf Marathon (13.1 mi)5:30 AM10K (6.2 mi)
Area Map

Course Map

FAQ

When is the 2027 Chennai Twenty Miler?

The 2027 Chennai Twenty Miler will be held on Sunday January 3, 2027.

What will the weather be like for the 2027 Chennai Twenty Miler?

The forecast calls for a high of 79°F and a low of 76°F with a 6% chance of rain.

Historical Weather

Based on 1 years of data
Avg Temp
74°F
L:73° H:77°
RunScore
3
Conditions
Rain Freq
0%
0 of 1 yrs
Wind5mph
Dew70°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2026
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73°/77°-
3