Nairobi Half Marathon

Nairobi, Kenya · October 25, 2026
partly-cloudy-day64°·68° high·Light·Dry
5
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Race Day Weather

partly-cloudy-day
64°at start
80° high
Breezy
Dry
Your goal
0:00:00

Comfortable temps, big temp swing

Starting at 64°F, heat will be a factor from the gun — go out conservative and stay on top of hydration. Temps will climb significantly to 80°F by later miles, so expect fading conditions as the race progresses. Light winds shouldn't be a major factor for pacing.

Race day forecast available in 1 day
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Race Info

The Nairobi Marathon half marathon covers 21.1 kilometers along the Southern Bypass, a wide dual carriageway on the southwestern edge of the city. Runners start outside Carnivore Restaurant and the road runs beside Nairobi National Park, the only national park inside a capital city. The course is largely flat, with turning points on the bypass, and it finishes at Uhuru Gardens.

Race weekend

Sunday, October 25
7:05 AMHalf Marathon (13.1 mi)
8:45 AM10K (6.2 mi)
10:00 AM5K (3.1 mi)
Area Map

Course Map

FAQ

When is the 2026 Nairobi Half Marathon?

The 2026 Nairobi Half Marathon will be held on Sunday October 25, 2026.

What will the weather be like for the 2026 Nairobi Half Marathon?

The forecast calls for a high of 80°F and a low of 63°F with a 7% chance of rain. Check our detailed hourly forecast above for the best half marathon race plan.

Historical Weather

Based on 3 years of data
Avg Temp
66°F
L:63° H:69°
RunScore
5
Conditions
Rain Freq
33%
1 of 3 yrs
Wind2mph
Dew60°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
partly-cloudy-day
61°/68°Light
5
2024
partly-cloudy-day
66°/70°-
5
2019
partly-cloudy-day
63°/68°-
5