Geneva Marathon

Geneva, Switzerland • May 10, 2026

Race Day Weather

52°

65° high

Breezy

Dry

Cool conditions, steady breeze

Runners will face a temperature rise from 56°F to 65°F during the race, with average humidity at 61% and a dew point of 47°F. A steady wind from the SE at 10 mph will provide a tailwind throughout. With comfortable conditions, runners should maintain their pace but stay mindful of hydration needs as temperatures climb.

Race day forecast available in 26 days

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Pace Calculator

Distance: 26.2mi

Target Finish Time

0:00:00

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Pace

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Weather Adj.

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Common Goals:

The Harmony Geneva Marathon for UNICEF is an annual marathon running event held in Geneva, Switzerland. It draws about 9,100 participants every May. Apart from the marathon, there is also a half marathon, a Relay Marathon, a 20 km Handbike and wheelchair race, a 10 km race held on the same day, and races exclusively for women (5 km) and children (1 to 5 km) held the day before. A time limit of six hours and a half applies to the main event. Wikipedia

Course Map

FAQ

When is the 2026 Geneva Marathon?

The 2026 Geneva Marathon will be held on Sunday May 10, 2026.

What is the time limit for the Geneva Marathon?

The time limit for the Geneva Marathon is 6 hours.

What will the weather be like for the 2026 Geneva Marathon?

The forecast calls for a high of 65°F and a low of 50°F with a 0% chance of rain.

Historical Weather

Based on 19 years of data

Avg Temp

61°F

L:55° H:62°

RunScore

Conditions

Rain Freq

47%

9 of 19 yrs

Wind8mph

Dew46°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 Geneva Marathon Clear conditions throughout the day with late afternoon rain. 2025	60°/70°	-	47°
2024 Geneva Marathon Partly cloudy throughout the day with a chance of rain throughout the day. 2024	55°/67°	Light	54°
2023 Geneva Marathon Partly cloudy throughout the day with rain. 2023	64°/67°	Light	51°
2022 Geneva Marathon Partly cloudy throughout the day. 2022	66°/75°	-	54°
2019 Geneva Marathon Partly cloudy throughout the day with a chance of rain throughout the day. 2019	53°/60°	Light	42°
2018 Geneva Marathon Partly cloudy throughout the day. 2018	62°/71°	-	53°
2017 Geneva Marathon Partly cloudy throughout the day with rain. 2017	52°/55°	Light	49°
2016 Geneva Marathon Partly cloudy throughout the day. 2016	59°/71°	-	40°
2015 Geneva Marathon Cloudy skies throughout the day with a chance of rain throughout the day. 2015	57°/61°	Light	59°
2014 Geneva Marathon Partly cloudy throughout the day with early morning rain. 2014	51°/55°	-	44°
2013 Geneva Marathon Partly cloudy throughout the day with early morning rain. 2013	55°/64°	-	49°
2012 Geneva Marathon Partly cloudy throughout the day with rain. 2012	53°/60°	Light	46°
2011 Geneva Marathon Partly cloudy throughout the day with rain. 2011	51°/58°	Light	36°
2010 Geneva Marathon Cloudy skies throughout the day with rain. 2010	53°/55°	-	48°
2009 Geneva Marathon Partly cloudy throughout the day with late afternoon rain. 2009	63°/69°	-	48°
2008 Geneva Marathon Cloudy skies throughout the day with rain or snow. 2008	33°/34°	Light	31°
2007 Geneva Marathon Partly cloudy throughout the day. 2007	57°/67°	-	44°
2006 Geneva Marathon Cloudy skies throughout the day with a chance of rain throughout the day. 2006	53°/62°	Light	52°
2005 Geneva Marathon Partly cloudy throughout the day with early morning rain. 2005	51°/58°	-	34°