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Semi-Marathon de Boulogne-Billancourt

Estimating travel…
Semi-Marathon de Boulogne-Billancourt, Boulogne-Billancourt

Distances

  • Running

    Marathon

    42.2 km

  • Running

    Semi-marathon

    21.1 km

About

Le Semi-Marathon de Boulogne-Billancourt est une course à pied qui se déroule à Boulogne-Billancourt, en France. La course compte environ 12 000 participants et propose un parcours vallonné et pittoresque.

Surface mix

  • 100% asphalt

Typical weather in Boulogne-Billancourt

Monthly averages based on historical data (2000–present).

Jan7°2°
↑ 08:40
↓ 17:21
Feb9°2°
↑ 08:01
↓ 18:11
Mar12°4°
↑ 07:05
↓ 18:57
Apr16°6°
↑ 07:00
↓ 20:43
May19°10°
↑ 06:10
↓ 21:27
Jun23°14°
↑ 05:48
↓ 21:57
Jul24°15°
↑ 06:05
↓ 21:51
Aug24°15°
↑ 06:45
↓ 21:08
Sep21°13°
↑ 07:29
↓ 20:05
Oct17°10°
↑ 08:12
↓ 19:03
Nov11°6°
↑ 08:01
↓ 17:12
Dec8°3°
↑ 08:39
↓ 16:56

Weather data by Open-Meteo

Route maps

Results

View official results

Hotels near the start

Last updated: Jun 9, 2026, 07:32:28 PM

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Semi-Marathon de Boulogne-Billancourt

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The race information has been found on the official website of the event or through publicly available sources. Always refer to the official website for the latest race information. Please let us know if any data is wrong or missing by emailing hello@run-atlas.app.

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