Test the absolute limits of human endurance at the heart of French ultra-running. The 24 Heures de l'Isère à Tullins, designated as the 2026 French National 24-Hour Running Championships, is a premier event taking place 11-12 April 2026 at the Stade Jean Valois in Tullins, Isère. Set against the stunning backdrop of the Vercors mountains, this FFA-labelled race features a flat, fast, and secure 24-hour loop course of tartan track, compacted gravel, and asphalt, designed for maximum distance and personal exploration. As the national championship, it attracts France's top ultrarunners to compete for the title, while also welcoming dedicated amateurs to take on the iconic 24-hour challenge in a fully supported, safe, and friendly environment. Whether you're aiming for a podium finish or seeking to conquer your own personal frontier, this is the ultimate arena to discover how far you can truly go in a day and a night.
Races Offered
24 heures
Apr 11, 2026
straighten
Distance —
24H
terrain
Type —
Running
timer
09:00
6 heures
Apr 11, 2026
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Distance —
6H
terrain
Type —
Running
timer
10:00
3 heures
Apr 11, 2026
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Distance —
3H
terrain
Type —
Running
timer
13:00
12 heures
Apr 11, 2026
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Distance —
12H
terrain
Type —
Running
timer
21:00
Weather History
These values represent the 3-year monthly averages for April in Tullins.
thermostatTemperature
6.5° / 16.7°
wb_sunnyFeels like
4.4° / 14.5°
light_mode
Avg sunshine hours
9h 41m
water_drop
Avg rainfall
4.1 mm
ac_unit
Avg snowfall
0.1 cm
air
Avg wind speed
6.7 km/h (Light breeze)
opacity
Sweat loss rate
Low
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Moderate (3.5)
humidity_mid
Humidity
75.5%
wb_twilight
Sunrise
06:51
nightlight
Sunset
20:23
About Tullins
Learn more about the host city, Tullins.
Tullins is a commune in the Isère department in southeastern France.
