www.rondedesgrangeons.fr

Ronde des Grangeons

Ambérieu-en-Bugey, Auvergne-Rhone-Alpes, France

calendar_today 05 Sep, 2026 – 06 Sep, 2026

About the Event

Join the vibrant celebration of trail running at La Ronde des Grangeons in Ambérieu-en-Bugey on September 5-6, 2026. This beloved event, celebrating its 28th edition, offers four distinct trail courses—a challenging 35km, a classic 16km, a 10km, and a festive hike—plus a Nordic walk and kids' races. With over 2,500 participants, a festive village atmosphere, and a post-race party, it's the perfect weekend for athletes and families. Don't wait to register, as spots for the 10km, 15km, and 16km races are limited!

Races Offered

Trail 28 km

Sep 05, 2026

straighten

Distance — 28K

terrain

Type — —

timer

14:30

Trail 16 km

Sep 05, 2026

straighten

Distance — 16K

terrain

Type — —

timer

15:30

Trail 10 km

Sep 05, 2026

straighten

Distance — 10K

terrain

Type — —

timer

16:00

9 km

Sep 06, 2026

straighten

Distance — 9K

terrain

Type — —

timer

16:15

Weather History

These values represent the 3-year monthly averages for September in Ambérieu-en-Bugey.

thermostat Temperature

12.9° / 22.3°

wb_sunny Feels like

11.6° / 21.1°

light_mode Avg sunshine hours

9h 35m

water_drop Avg rainfall

4.4 mm

ac_unit Avg snowfall

—

air Avg wind speed

9.1 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

72.9%

wb_twilight Sunrise

07:17

nightlight Sunset

19:49

About Ambérieu-en-Bugey

Learn more about the host city, Ambérieu-en-Bugey.

Ambérieu-en-Bugey is a commune in the Ain department, Auvergne-Rhône-Alpes region, France. With 14,288 inhabitants (2020), it is one of the largest towns of the historical region of Bugey.