La Baleine en course is a running and walking event held in Aigues-Mortes, located in the Gard department of southern France. The event offers a variety of distances, from Le Baleineau, a 5 km walk, to L'Ultra Baleine, a 58 km trail race. Other available distances include 12 km, 16 km, 21 km, 30 km, and 42 km.
The 16 km Duo Sel et Poivre race begins in the evening and is predominantly flat, featuring only 3 meters of elevation gain. The longer races on Sunday commence in the morning and continue until mid-afternoon. The 58 km route includes 261 meters of elevation gain, the 42 km has 185 meters, the 30 km has 136 meters, the 21 km has 102 meters, and the 12 km has 57 meters. Participants can select a race from a short local run to a substantial trail challenge, without encountering extreme elevation changes.