Ultra-Trail du Mont-Blanc

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UTMB 2005 starting line

The Ultra-Trail du Mont-Blanc (also referred to as UTMB) is a single-stage mountain ultramarathon. It takes place once a year in the Alps, across France, Italy and Switzerland. The distance is approximately 166 km, with a total elevation gain of around 9,600 m. It is widely regarded as one of the most difficult foot races in Europe. It's certainly one of the largest with over two thousand starters. The combined participation in all of the events is approaching 10 thousand runners.

While the best runners complete the loop in slightly more than 20 hours, most runners take 30 to 45 hours to reach the finish line. There is no prize money awarded.

Since 2006, a second race Courmayeur - Champex - Chamonix (half-loop) has also been organised, and a third race was added in 2009: "Sur les Traces des Ducs de Savoie". A fourth shorter "running" event - Orsières - Champex - Chamonix - was added in 2014.

La Petite Trotte à Léon is a non-competitive team event started in 2011 (?). Each team is made of two or three members for safety. The route and direction of the course change every year. In 2014 it will be run clock-wise.

Today, the races consist of the following;

  • UTMB: Ultra-Trail du Mont-Blanc (166 km +9,600 m)
  • CCC: Courmayeur - Champex - Chamonix (101 km +6,100 m)
  • TDS: Sur les Traces des Ducs de Savoie (119 km +7,250 m)
  • OCC: Orsières - Champex - Chamonix (53 km +3,300 m)
  • PTL: La Petite Trotte à Léon (approx. 300 km +28,000 m)


A check point on the UTMB 2005
  • The race is organised by an association called Les Trailers du Mont-Blanc.
  • 1700 volunteers were involved in 2010.
  • The North Face is the main sponsor.
  • Runners are supposed to carry a minimum of equipment for safety reasons. This includes a waterproof jacket, warm clothes, food and water, whistle, survival blanket and head lamp.
  • 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 and Champex, runners can collect a bag they previously left at Chamonix.
  • 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.
  • The organizers encourage solidarity between runners and respect for the environment.
  • 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 its description.


The route basically follows the Tour du Mont Blanc hiking path, that is usually completed in 7 to 9 days by hikers. This is a loop around Mont Blanc.

It starts from Chamonix (1,035 m) and goes up to the Col de Voza (1,653 m) to reach Les Contamines (1,150 m). It then climbs to the Croix du Bonhomme (2,479 m) before going back down to Les Chapieux (1,549 m), which is the first life base. The path then runs up to the Col de la Seigne (2,516 m) to enter Italy, and follows the ridge of the Mont-Favre (2,435 m) before going down to Courmayeur (1,190 m), the second life base. It climbs again to the Refuge Bertone (1,989 m) and Arnuva (1,769 m) before reaching its highest point, the Grand Col Ferret (2537 m), which also marks the border with Switzerland. The path goes down again to Praz de Fort (1,151 m) via La Fouly (1,593 m) before reaching the third life base, Champex d'en Bas (1,391m). The last part includes two rather low cols: Bovine (1,987 m) and Les Tseppes (1932 m), separated by Trient (1,300 m). On the descent to Vallorcine (1,260 m), the path re-enters France and crosses Argentière (1,260 m) before finishing at Chamonix, its starting point.

The route varies slightly every year, sometimes for safety reasons. In 2010, the route was 166 km long with a total elevation gain of 9500m.

Race profile

A more detailed profile can be found on the official web site: UTMB profile.

Participation and results[edit]

Vincent Delebarre at Champex during the UTMB 2005
  • The race was first held in 2003.
  • In 2006, a woman won the first edition of the Courmayeur-Champex-Chamonix
  • The race's popularity and its entry rate have grown significantly.

The number of entrants doubled from 700 in 2003 to 1,400 in 2004. In 2005, the limit of 2,000 runners was reached 7 months after registration opened. In 2006, the organisers decided to create the CCC in order to allow more runners to take part. The registrations were sold out in only 2 weeks. In 2007, it was decided that runners must qualify, by running qualifying races beforehand gaining points. That year the limit of 2,000 runners was reached less than 10 hours after registration opened. For the 2008 event, 2,000 runners registered in only 7 minutes, 5 months before the race. For the 2009 event, the qualifying criteria were tightened to limit the number of qulaifying runners, and a draw was introduced to make entry fairer, giving an equal chance to all qualifiers, and making registration more orderly. Despite the stricter criteria, 45% of qualifying entrants were still denied a place, so the organisers raised entry standards still further for the 2010 event soo that selection would be based more on capability and experience than luck of the draw.

Ultra-Trail du Tour du Mont-Blanc[edit]

Year Runners Finishers Winner Winner time Notes
2003 722 67 Dachhiri Dawa Sherpa 20h05 2003 full results
2004 1383 420 Vincent Delebarre 21h06 2004 full results
2005 2000 774 Christophe Jaquerod 21h11 2005 full results
2006 2535 1151 Marco Olmo 21h06 2006 full results
2007 2319 1437 Marco Olmo 21h31 2007 full results
2008 2500 1269 Kilian Jornet 20h58 2008 full results
2009 2500 1382 Kilian Jornet 21h33 2009 full results
2010* 2400* 1130 Jez Bragg* 10h30 2010 reprise full results
2011 1133 Kilian Jornet 20h36 2011 full results
2012* 2122 François D'Haene* 10h32* 2012 full results
2013 1685 Xavier Thevenard 20h34
  • The races in 2010 and 2012 were shorter due to bad weather conditions.

Ultra-Trail Courmayeur-Champex-Chamonix[edit]

Year Runners Finishers Winner Winner time Notes
2006 1054 854 Corinne Favre 10h35 2006 full results
2007 1609 1332 Julien Chorier 10h19 2007 full results
2008 1318 Guillaume Le Normand 12h26
2009 1266 Jean-Yves Rey 11h40
2010 1677 Xavier Thevenard 11h57
2011 1591 Emmanuel Gault 10h10
2012 1585 Bernat Castaner* 8h46*
2013 1320 Jordi Bes 11h23
Runners by night during the UTMB 2005

See also[edit]

More pictures about the Ultra-Trail Tour du Mont-Blanc:

External links[edit]