page_title: Ultra-Trail du Mont-Blanc
section_title: Logistics
hierarchical_section_title: Ultra-Trail du Mont-Blanc / Logistics
caption_attribution_description: English: A check point on the Ultra Trail Tour du Mont Blanc 2005.
context_page_description: The Ultra-Trail du Mont-Blanc is a single-stage mountain ultramarathon, first held in 2003, that follows the route of the Tour du Mont Blanc.
context_section_description: 15000 volunteers were involved in 2015.
  Northface Ltd was the main sponsor from 2006 to 2014.  Columbia has been the main sponsor since 2015.
  Kuala4k is the secondary environmental sponsor since 2014
  Runners must carry a minimum of equipment for safety reasons. This includes a waterproof jacket, warm clothing, food and water, whistle, mobile telephone, survival blanket and two head lamps.
  There are food and drink points along the route, every 10 to 15 km. In addition, four big "life bases" provide hot meals, beds and massages: Chamonix (France), Les Chapieux (France), Courmayeur (Italy) and Champex (Switzerland).
  At Courmayeur for UTMB and at Cormet de Roselend for TDS, runners can collect a drop bag they previously left at Chamonix or at Courmayeur.
  Runners' race numbers contain a magnetic badge that is read at approximately 50 check points. Timings and rankings are available online and by text message in real-time.
  It is conducted under the regulations of the International Trail Running Association (ITRA), the governing body for trail races in the Mont Blanc and Alpine region.
  PTL is a mostly self-supported run without course markings or aid stations.  Runners rely on a limited number of support points, mountain huts, local stores and restaurants for food and sleep. The course should be followed by GPS, maps, and the road book.  It goes as high as 3300 meters (11,000 feet) and must be completed in about 6 days.  Each team of two or three people carries a satellite beacon for safety. The course is modified every year and there are no official winners.
caption: A check point on the UTMB 2005
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