Running
19 km
19 km
Le Défi du Fort L'Ecluse
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Trail in France, Léaz
Distances
Trail
19 km — La Porte de Genève
19 km
Start: Oct 16, 10:00 AM
35.00 EUR
Running
La Porte de Genève
19 km
Running
12 km
12 km
Trail
12 km — La Porte de France
12 km
Start: Oct 17, 09:45 AM
25.00 EUR
Running
La Porte de France
12 km
About
Le Défi du Fort L'Ecluse is a unique race on an exceptional site mixing cultural heritage and grandiose landscapes, with two distance options (12 km and 19 km) through historic trails, a spectacular gallery, and bastions.
Catering & aid stations
Un seul ravitaillement sur le parcours : km 11 pour le 19 km et km 5 pour le 12 km (dans la cour du fort, avant la galerie souterraine). Aucun gobelet distribué sur ce point, merci d’apporter vos flasques ou eco-cup. Un ravitaillement complet est proposé à l’arrivée à Léaz.
Pacers
Pacemakers will run with the lead packs announced on the day (start waves / Pacer flaggen) and provide steady paceline support for seeded runners on both the 12 km and 19 km races.
Results
View official resultsTypical weather in Léaz
Monthly averages based on historical data (2000–present).
Jan5°-1°
↑ 08:16
↓ 17:17
Feb7°0°
↑ 07:42
↓ 18:02
Mar11°2°
↑ 06:50
↓ 18:43
Apr15°5°
↑ 06:50
↓ 20:24
May18°9°
↑ 06:05
↓ 21:03
Jun23°14°
↑ 05:45
↓ 21:30
Jul24°15°
↑ 06:01
↓ 21:25
Aug24°15°
↑ 06:37
↓ 20:47
Sep20°11°
↑ 07:16
↓ 19:49
Oct16°8°
↑ 07:54
↓ 18:51
Nov10°3°
↑ 07:38
↓ 17:06
Dec6°0°
↑ 08:13
↓ 16:52
Route maps
Prices & signup
- 12 km — La Porte de France25.00 EUR
- 19 km — La Porte de Genève35.00 EUR
Last updated: Jun 6, 2026, 12:27:03 AM
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