- Pre-registration for 90k, 42k, 23k races from Monday 14th October at 9:00 am to midnight on Monday 4thNovember 2019. If the number of pre-registered for a race is greater than the maximum number of possible runners, a draw is organized. Annoucement of the runners selected Monday 12th November at 2:00pm.
- The runners wishing pre-register must choose one of the three races (90k, 42k, 23k). It’s not possible to take part of the draw for the three races.
- For those who wants to create a group to participate at a race, it is possible. (same draw result for all the persons of one group) The rules are the following: between 2 and 10 persons by group and participate at the same race.
For the other races (10km, KMV, Duo étoilé, Young Race Marathon, Mini Cross) the registration are not subject to a draw and are open until the available places are finished.
CHOOSE
your race
The Mont Blanc Marathon are in mountains, on technicals trails with a lots positive difference heigts.
To participate at the races it’s recommended to have a good mountains experiences, be easy in every kind of trail and to be in autonomy during some hours.
Its generally consider than 100m of positive difference of heights are like 1 more kilometers.
Example: Mont-Blanc 42kilometers with 2730m of positive difference of heigts corresponds at a distance equal to 42km+27km, so 69km.
We recommend to you to take in count this alert about the difference of heights before to subscribe at one of our races.
| Race | Distance | Diff of heights +/- | Distance Feels (100mD+=1km) | Max time | Number of Time restrictions | ITRA points recommended | Number of subscribers | % of Finishers | Technical Characteristics |
|---|---|---|---|---|---|---|---|---|---|
 | 91km | 6220m+/- | 152km | 24 hours | 10 | 450 | 1000 runners | 55% | Race technical with aerial trail in altitude, possibility of snow on the course |
 | 42km | 2730m+ /1700m- | 69km | 9 hours 30 | 5 | 350 | 2300 runners | 87% | First part rolling, and Part trail very technical and strength difference of heights |
 | 23km | 1680m+ / 870m- | 39km | 6 hours | 4 | 270 | 2000 runners | 94% | Race short on mountains trail open to intermediate trailers |
 | 20km | 1250m +/- | 32km | 6 hours | 3 | 240 | 500 teams | 97% | Night race by team mountaineering and steep parts |
 | 3,8km | 1000m + | 13,8km | No maximum time | 0 | / | 700 runners | 100% | Aerial race , handrail, stars etc. not recommended to diziness people. |
 | 10km | 325m +/- | 13km | No maximum time | 0 | 160 | 2000 runners | 99% | Race open to everybody |
 | 15km | 1200m D+ | 27km | No maximum time | 0 | 0 | 150 runners | 98% | Race reserved to 'Espoir' and 'Junior' category |
Charity
Bibs
Chamonix Sport Club create to sells since 2016 some Charity bibs, who could pay a sportive projects.
In 2019, with 30 000€ increase, 130 Childrens of 7 sections could be realized their dreams.
For the runners it’s the possibilities to be sure to have his subscriptions at one Mont-Blanc Marathon races and to make a donation to help kids in their sportive project.
Elites
Some bibs are allowed to athletes who make the demand.
Subscriptions for athletes are not automatic, each elite have to finalise his proper subscriptions and all the subscritpions demands have to be send before the 31h of March 2020 at club@chamonixsport.com
Have an Elite Bib means to be present at the prize giving and at every other invitations than you could receive from the organisations (press conference etc.)
Rules for attribution
ITRA performance index runner
ITRA
Points
42
km
5
| Mens | Womens | |
| Bibs guaranteed but paying | >870 | >650 |
| Bibs guaranteed and free | >825 | >625 |
Others
Races
| Mens | Womens | |
| Bibs guaranteed and free | >850 | >650 |
| Bibs guaranteed but paying | >780 | >600 |
Prize money will be giving to each three first mens and women of the Mont-Blanc 42km and of Mont-Blanc 90km.
Prize money will be giving to the recordmen and recordwomen of Kilometer Vertical.
The amounts will be communicate soon.
Tour
Operator
At the occasion of your travel to Chamonix, you could plan your journey with one of our Tour Operator partners.
Sport Tour International propose to you some packages of travel and assistance for this wonderful events. One guaranteed bibs and accommodation in the center of Chamonix are availables and transfers to the Geneva airport and the help of our experimented race-guide.
Contrastes are since 30 years, the specialist of incredible destinations, personalise route and the biggest running events. on all the continents our Travel Designers create tailored journey.
Our goals ? Find the bsolute best trail running experiences in the Alps.
Away from the crowds, iin high Alp villages, we’ll seek out those runs that are a bit quieter, a bit wilder, and bring together the very best the Alps have to offer.