KM Vertical: 1000 metres of thrills
KM Vertical Mont-Blanc
Come and measure yourself against the 1000m vertical drop of the Kilomètre Vertical de Chamonix!
This 3.8km race, with 1000m of vertical drop, takes place in the form of a time trial. Warning: this is an alpine race: the end of the course is an aerial via ferrata (not recommended for people with vertigo): steps, cables, pedals, handrails... with a finish at 2000m. Poles are forbidden due to the technical nature of the finish.
A time record bonus will be awarded to the 1st man and woman in the KM Vertical.
2025 race course
3.8km short trail, time trial format.
1000m D+.
Open to juniors and above
Limited to 700 runners
First start at 5pm, then a start every 15 seconds.
Finish in Planpraz
1 finish refreshment station
Withdrawal of race numbers
Pick-up of KV race numbers is by appointment only, at Espace EMC2, Place du Mont-Blanc (Chamonix):
Thursday June 26, 2025 from 9am to 9pm,
Friday June 27, 2025 from 9am to 4pm.
Runners must present photo identification and their race bag, including all mandatory equipment, for equipment checks.
No bibs will be issued to runners without their compulsory equipment and identity papers. No race numbers will be issued after 4 p.m. on Friday.
Compulsory equipment
- Cell phone in working order.
- Minimum 0.50-liter water supply.
- Tumbler.
Recommended equipment
- Waterproof jacket (Gore-tex type).