KM Vertical: 1000 meters of thrills
Mont-Blanc Vertical Kilometer
Join us and measure yourself against the 1000m vertical drop of the Chamonix Vertical Kilometer!
This 3.8km race with 1000m of ascent is a race against the clock. Please note 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 of altitude. Poles are forbidden due to the technical end.
A time record bonus will be awarded to the 1st man and woman of the race.
Race info
3.8km short trail, time trial format.
1000m D+.
Open to Juniors category and above
Limited to 700 runners
First start at 5pm, then a start every 15 seconds.
Finish at Planpraz
1 finish refreshment station
Number withdrawal
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).
The organizers remind racers that, depending on the systems and settings used, GPX tracks may give different results for race distances and elevation gains.