Le 12 du Dolaizon is the 12.0km trail race at Trail du Saint Jacques by UTMB 2027 (Saint-Christophe-sur-Dolaizon, France). The race starts on June 19, 2027. It starts in Saint-Christophe-sur-Dolaizon.
The course climbs 200m+. With 17m/km of climbing, the course is predominantly runnable. By gradient, 15% of the distance is uphill, 46% downhill and 39% flat. Surface: 57% trail, 22% road, and 17% smooth.
The course is runnable enough that trekking poles are not needed.
There is too little runnable descent to damage the quads: plan the race around climbing and fuelling.
This page has a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for Le 12 du Dolaizon.
Other distances of Trail du Saint Jacques by UTMB 2027Ultra du Saint Jacques - 100M (140km)·Grand Trail du Saint Jacques - 100K (88.0km)·Monistrail - 50K (55.0km)·Les Chibottes - 20K (28.0km)
Other editions of Le 12 du Dolaizon2026
Official websitesaint-jacques.utmb.world