Run with purpose in the vibrant heart of Brittany at the Marathon Vert Rennes School of Business on 17th and 18th October 2026. This internationally Gold Label event is a powerful celebration where athletic ambition meets profound ecological commitment, converting every two kilometers you run into a tree planted for the planet through the Fondation Yves Rocher. Choose your challenge from a fast, 100% urban marathon, a duo or relay format, a women's 5K, a nocturnal 10K, or a family walk—all set on a flat, animated course through the dynamic streets of Rennes. More than just a race, it's a groundbreaking movement that has already reforested landscapes worldwide, offering an unparalleled sense of achievement where your personal finish line directly supports global sustainability. Experience the exceptional French organization, festive atmosphere, and community spirit of an event that proves every stride can leave a positive, lasting footprint. Secure your spot to run green and be part of a legacy that grows with every step.
Races Offered
10 km Lamotte
Oct 17, 2025
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Distance —
10K
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134 days remaining
Féminine "Yves Rocher"
Oct 17, 2025
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Distance —
5K
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134 days remaining
Marche Familiale
Oct 17, 2025
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Distance —
5K
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134 days remaining
Marathon Duo
Oct 18, 2025
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Distance —
42.2K
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134 days remaining
Marathon Relais
Oct 18, 2025
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Distance —
42.2K
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134 days remaining
Marathon Vert Rennes
Oct 18, 2025
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Distance —
42.2K
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134 days remaining
Weather History
These values represent the 3-year monthly averages for October in Melesse.
thermostatTemperature
9.9° / 17.4°
wb_sunnyFeels like
7.6° / 15.2°
light_mode
Avg sunshine hours
7h 2m
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Avg rainfall
3.0 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
12.4 km/h (Gentle breeze)
opacity
Sweat loss rate
Low
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Low (2.8)
humidity_mid
Humidity
83.3%
wb_twilight
Sunrise
08:27
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Sunset
19:16
About Melesse
Learn more about the host city, Melesse.
Melesse is a commune in the Ille-et-Vilaine department of Brittany in northwestern France.
