How hilly is the Marathon du Mont-Blanc, Chamonix?
The Marathon du Mont-Blanc, Chamonix is described as mountainous. The course listing puts the climb at 2,730 m.
Marathon du Mont-Blanc, Chamonix Marathon
This race edition
- Race date
- Date not confirmed for this distance
- Race timezone
- Timezone not confirmed
- Edition status
- Status not confirmed
Entry options
2026 edition
Entry options are not yet confirmed for this edition. Check the organiser before making plans.
Decision summary
Marathon du Mont-Blanc, Chamonix Marathon at a glance
- Cut-off average pace
- 14:17/km
- Typical conditions
- 67/100
- Evidence depth
- 40 verified facts
10:00:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.
Historical race-date favourability, not a forecast
Source facts available
Route details
Known course facts at a glance
Marathon du Mont-Blanc, Chamonix Marathon has known course details for its marathon race. The summary below keeps the focus on what is confirmed for the course.
- Official distance
- 42 km
- Terrain
- Trail
- Scenery
- Mountain, Forest, Waterfront, Countryside, Lakeside
Quick answers
What runners ask first
Where does the Marathon du Mont-Blanc, Chamonix route go?
The Marathon du Mont-Blanc, Chamonix route starts at Place du Triangle de l'Amitie, central Chamonix and finishes at Chamonix (central, near Place du Triangle de l'Amitie). Underfoot, expect mountain trail (semi-autonomous trail race with technical alpine terrain). It passes Le Tour, Vallorcine, Aiguillette des Posettes, La Flegere and Charlanon.
Race character
Scenery
- Mountain
- Forest
- Waterfront
- Countryside
- Lakeside
Atmosphere
- Destination
- Community
- Wilderness
Terrain
- Trail
- Elevation character
- Mountainous
- Technicality
- Technical
- Source-stated ascent
- 2,730 m
Entry, logistics and records
Records and field
- Men's course record
- 3:18:08 (Stian Angermund)
- Women's course record
- 3:51:04 (Maude Mathys)
- Field size
- Capped at 2,300 runners across 6 starting waves.
- Field cap
- 2,300
Entry requirements
- Entry status
- Past event: The listed edition date has passed.
- Cut-off
- Maximum 10h00; intermediate barriers at Le Tour (km 13.5, +2h45), Vallorcine (km 23.5, +5h30) and La Flegere (km 34.2, +8h30) from each wave start.
- Sold out
- Yes
- Qualification status
- No qualifying time; entry by lottery/quota. Open to Espoirs category and above; a UTMB performance index under 350 points suggests completion is unlikely.
Access and course status
- Start
- Place du Triangle de l'Amitie, central Chamonix.
- Finish
- Chamonix (central, near Place du Triangle de l'Amitie).
Course facts
- Course type
- Point To Point
- Surface
- Mountain trail (semi Autonomous trail race with technical alpine terrain).
- Landmarks
- Le Tour, Vallorcine, Aiguillette des Posettes, La Flegere, Charlanon, Mont Blanc massif views
- Notable features
- A multi-race weekend (90km, 42km, 23km, 10km, KM Vertical, Duo Etoile, Young Race, Mini-Cross) held 25-28 June 2026
- Eco-conscious entry: 10% of bibs reserved for Chamonix valley residents arriving by public transport/foot/bike, 40% for entrants committing to arrive by train or bus, with mandatory carbon offsets
- The steep, technical climb of the Aiguillette des Posettes is the marathon's main difficulty, with panoramic views over the Mont Blanc range
What are typical race-day conditions?
- 17°CTypical temperature
- 7 kphTypical wind
- 4 mmTypical rainfall
- 67Favourability /100