The Mar a Mar Trail is a unique, challenging 3-stage trail running event that connects the Sea of Cortez to the Pacific Ocean, traversing the Sierra de la Laguna in Baja California Sur, Mexico. It’s known for its spectacular scenery, mountainous terrain, and adventurous route.

• Event dates: Early December 2025

  • “Grupo Mar” category: December 5, 6 & 7

  • “Grupo Sierra” category: December 4, 5 & 6

  • Stages:

  • Stage 1 – Los Barriles to San Dionisio (~36 km with about +2,000 meters of elevation gain)

  • Stage 2 – San Dionisio to “La Rueda” (~35 km, ~2,100 m+)

  • Stage 3 – “La Rueda” to Todos Santos (~32 km, ~450 m+)

  • Camp 1 (Friday evening): Community of San Dionisio — features include camping areas, showers, restrooms, food, private security, etc.

  • Camp 2 (Saturday night): Rancho “La Rueda” — similar amenities, set in a tranquil valley in the Sierra for recovery before the final stretch.

  • All entries for Grupo Mar and Grupo Sierra are sold out. This includes group entries and individual camping