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La Châtelaine By RUN’IN RENNES et IAD 2026

Rennes, Brittany, France

calendar_today 27 Sep, 2026

nordic_walking Others

sell €15.00 – €100.00

About the Event

Join the La Châtelaine By RUN’IN RENNES et IAD on September 27, 2026, for an exhilarating run through the streets of Rennes. Participants can choose between two engaging options: LA CHÂTELAINE entreprise (10K) and LA CHÂTELAINE solo 10km (10K), each offering a competitive yet enjoyable experience in this historic city.

Races Offered

LA CHÂTELAINE entreprise

Sep 27, 2026

straighten

Distance — 10K

terrain

Type — Others

timer

50 days remaining

sell

€100.00

LA CHÂTELAINE solo 10km

Sep 27, 2026

straighten

Distance — 10K

terrain

Type — Others

timer

50 days remaining

sell

€15.00

Weather History

These values represent the 3-year monthly averages for September in Rennes.

thermostat Temperature

12.9° / 21.1°

wb_sunny Feels like

11.5° / 19.6°

light_mode Avg sunshine hours

9h 7m

water_drop Avg rainfall

2.6 mm

ac_unit Avg snowfall

—

air Avg wind speed

11.7 km/h (Light breeze)

opacity Sweat loss rate

Moderate

terrain Course conditions

Firm and slightly soft

sunny Max UV Index

Moderate (3.5)

humidity_mid Humidity

78.9%

wb_twilight Sunrise

07:44

nightlight Sunset

20:17

About Rennes

Learn more about the host city, Rennes.

Rennes is the chief city of Brittany in northwest France. It's mostly modern and industrial, but has many grand 18th and 19th century buildings, and survivors of earlier times. It's also well-endowed with cultural attractions. In 2020 the city population was 222,485, with about 150,000 more living in the wider metropolis.