Nairobi Marathon

Nairobi, Kenya · October 31, 2027
partly-cloudy-day63°·69° high·Light·Dry
5
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Nairobi Marathon race day weather

partly-cloudy-day
63°at start
69° high
Light
Dry
Goal
0:00:00

Warm start, rising heat

Runners will face temperatures starting at 63°F and rising to 71°F by late morning. With humidity at 76% and a light headwind from the east, adjusting pace will be crucial to manage the heat. Frequent hydration breaks are advised to cope with the increasing warmth.

Race day forecast available in 336 days
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Start
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Finish
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About the Nairobi Marathon

The Nairobi Marathon is Kenya's only World Athletics Road Race Label marathon and the country's largest annual road race. Runners start near Carnivore Grounds on the Southern Bypass and finish at Uhuru Gardens, passing views of Nairobi National Park along the route. The 2025 edition drew a record 30,602 finishers from 92 nations across the marathon, half marathon, 10K, and 5K events. The race is a Boston Marathon qualifier.

Race weekend

Sunday, October 31
7:05 AMHalf Marathon (13.1 mi)8:45 AM10K (6.2 mi)
10:00 AM5K (3.1 mi)
Area Map
Course Map

Nairobi Marathon FAQ

When is the 2027 Nairobi Marathon?

The 2027 Nairobi Marathon will be held on Sunday October 31, 2027.

Is the Nairobi Marathon a Boston Marathon Qualifier?

Yes, the Nairobi Marathon is an official Boston Marathon qualifier.

What will the weather be like for the 2027 Nairobi Marathon?

The forecast calls for a high of 79°F and a low of 63°F with a 11% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.

What is the weather usually like for the Nairobi Marathon?

Over the 4 years racecast.io has race-day weather for (2019 to 2026), it averaged 63°F at the start and 69°F by a typical finish. Rain fell during race hours in 1 of those years (2025).

What was the hottest Nairobi Marathon?

Of the 4 years on record, 2024 was the warmest, reaching 70°F during race hours. The coldest start was 2026, at 61°F.

What was the windiest Nairobi Marathon?

Of the 4 years on record, 2026 was the windiest, with wind averaging 4 mph during race hours. The calmest was 2019, at 0 mph.

Nairobi Marathon weather history

Based on 4 years of data
Avg Temp
65°F
L:62° H:69°
RunScore
5
Conditions
Rain Freq
25%
1 of 4 yrs
Wind2mph
Dew59°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2026
partly-cloudy-night
61°/70°-
6
2025
partly-cloudy-night
61°/68°Light
6
2024
partly-cloudy-night
66°/70°-
5
2019
partly-cloudy-night
62°/68°-
5