UTMB
Trail Running covering 15 km to 300 km with up to 25,000 m D+ in Chamonix-Mont-Blanc (Auvergne-Rhône-Alpes, France)
UTMB is an endurance sporting event in Chamonix-Mont-Blanc, Auvergne-Rhône-Alpes, FR focused on Trail Running. First held in 2003, the event is an established fixture on the endurance calendar. It is part of UTMB Index Races, UTMB World Series. Key features include High Altitude, Nature & Off-Road, Mountain, Multi-Day.
The race program comprises 8 competitions, including PTL (The Little Trotte à Léon) (300 km, +25,000 m D+), UTMB (Ultra-Trail du Mont-Blanc) (176 km, +10,000 m D+), TDS (In the Footsteps of the Dukes of Savoy) (148 km, +9,300 m D+), CCC (Courmayeur-Champex-Chamonix) (101 km, +6,050 m D+), OCC (Orsières-Champex-Chamonix) (57 km, +3,500 m D+), and MCC (Martigny-Combe to Chamonix) (40 km, +2,350 m D+) (8 competitions in total). The next edition is officially confirmed from August 23, 2027 to August 29, 2027. Official race regulations, course details, and registration information are provided on the organizer's website (montblanc.utmb.world).

Races & distances (8)
| Competition | Discipline | Distance | Elevation gain | Altitude range | Course type | Course & profile |
|---|---|---|---|---|---|---|
| PTL (The Little Trotte à Léon) | Trail Running | 300 km | +25,000 m | 1,003 m - 17,253 m | Point-to-point course | Route & profile |
| UTMB (Ultra-Trail du Mont-Blanc) | Trail Running | 176 km | +10,000 m | 1,006 m - 7,506 m | Point-to-point course | Route & profile |
| TDS (In the Footsteps of the Dukes of Savoy) | Trail Running | 148 km | +9,300 m | 1,009 m - 7,054 m | Point-to-point course | Route & profile |
| CCC (Courmayeur-Champex-Chamonix) | Trail Running | 101 km | +6,050 m | 1,012 m - 4,944 m | Point-to-point course | Route & profile |
| OCC (Orsières-Champex-Chamonix) | Trail Running | 57 km | +3,500 m | 1,015 m - 3,290 m | Point-to-point course | Route & profile |
| MCC (Martigny-Combe to Chamonix) | Trail Running | 40 km | +2,350 m | 1,003 m - 2,531 m | Point-to-point course | Route & profile |
| YCC | Trail Running | 15 km | +1,200 m | 1,006 m - 1,786 m | Point-to-point course | Route & profile |
| ETC (Experience Trail Courmayeur) | Trail Running | 15 km | +1,200 m | 1,009 m - 1,789 m | Point-to-point course | Route & profile |
Course route & map
Elevation profile & course telemetry
Altitude from 1,003 m to 17,253 m above sea level (+25,000 m D+, -21,250 m D-)
Elevation profile & course telemetry
Altitude from 1,006 m to 7,506 m above sea level (+10,000 m D+, -8,500 m D-)
Elevation profile & course telemetry
Altitude from 1,009 m to 7,054 m above sea level (+9,300 m D+, -7,905 m D-)
Elevation profile & course telemetry
Altitude from 1,012 m to 4,944 m above sea level (+6,050 m D+, -5,142 m D-)
Elevation profile & course telemetry
Altitude from 1,015 m to 3,290 m above sea level (+3,500 m D+, -2,975 m D-)
Elevation profile & course telemetry
Altitude from 1,003 m to 2,531 m above sea level (+2,350 m D+, -1,998 m D-)
Elevation profile & course telemetry
Altitude from 1,006 m to 1,786 m above sea level (+1,200 m D+, -1,020 m D-)
Elevation profile & course telemetry
Altitude from 1,009 m to 1,789 m above sea level (+1,200 m D+, -1,020 m D-)
Frequently asked questions (FAQ)
When and where does UTMB take place?
UTMB takes place in Chamonix-Mont-Blanc, Auvergne-Rhône-Alpes, FR (start area at coordinates 45.9237° N, 6.8694° E). The next edition is officially confirmed from August 23, 2027 to August 29, 2027.
What races and distances are offered at UTMB?
The race program comprises 8 competitions, including PTL (The Little Trotte à Léon) (300 km, +25,000 m D+), UTMB (Ultra-Trail du Mont-Blanc) (176 km, +10,000 m D+), TDS (In the Footsteps of the Dukes of Savoy) (148 km, +9,300 m D+), CCC (Courmayeur-Champex-Chamonix) (101 km, +6,050 m D+), OCC (Orsières-Champex-Chamonix) (57 km, +3,500 m D+), and MCC (Martigny-Combe to Chamonix) (40 km, +2,350 m D+) (8 competitions in total). The competitions belong to Trail Running.
What is the course layout and elevation profile for UTMB?
The main competition (PTL (The Little Trotte à Léon) over 300 km) is designed as a point-to-point course featuring +25,000 m of elevation gain and -21,250 m of elevation loss, ranging between 1,003 m and 17,253 m above sea level. An interactive course map with route visualization, elevation profile, and GPX export is available in the course section on this page.
Where can I find registration and official race rules for UTMB?
Official race regulations, course details, and registration information are provided on the organizer's website (montblanc.utmb.world).