UTMB

Trail Running covering 15 km to 300 km with up to 25,000 m D+ in Chamonix-Mont-Blanc (Auvergne-Rhône-Alpes, France)

LocationChamonix-Mont-Blanc, Auvergne-Rhône-Alpes, FranceShow on map(45.9237° N, 6.8694° E)
Date & StatusAugust 23, 2027 to August 29, 2027Date confirmed
First edition2003
Elevation gainUp to +25,000 m

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).

UTMB in Chamonix-Mont-Blanc (Work: "Start UTMB 2013 in Chamonix-Mont-Blanc", Photo: PaulasBunt, License: CC BY-SA 4.0, Source: Wikimedia Commons)
Cropped to 16:9 (960 × 540 px), WebP · Shared under the same license

Races & distances (8)

CompetitionDisciplineDistanceElevation gainAltitude rangeCourse typeCourse & profile
PTL (The Little Trotte à Léon)Trail Running300 km+25,000 m1,003 m - 17,253 mPoint-to-point courseRoute & profile
UTMB (Ultra-Trail du Mont-Blanc)Trail Running176 km+10,000 m1,006 m - 7,506 mPoint-to-point courseRoute & profile
TDS (In the Footsteps of the Dukes of Savoy)Trail Running148 km+9,300 m1,009 m - 7,054 mPoint-to-point courseRoute & profile
CCC (Courmayeur-Champex-Chamonix)Trail Running101 km+6,050 m1,012 m - 4,944 mPoint-to-point courseRoute & profile
OCC (Orsières-Champex-Chamonix)Trail Running57 km+3,500 m1,015 m - 3,290 mPoint-to-point courseRoute & profile
MCC (Martigny-Combe to Chamonix)Trail Running40 km+2,350 m1,003 m - 2,531 mPoint-to-point courseRoute & profile
YCCTrail Running15 km+1,200 m1,006 m - 1,786 mPoint-to-point courseRoute & profile
ETC (Experience Trail Courmayeur)Trail Running15 km+1,200 m1,009 m - 1,789 mPoint-to-point courseRoute & profile
Course & Elevation Telemetry

Course route & map

Distance
300 km
Elevation gain
+25,000 m D+
Elevation loss
-21,250 m D-
Altitude range
1,003 m - 17,253 m
Gradient (Avg / Max)
15.4 % / 35 %
Course format
Point-to-point course
300 km+25,000 m D+
Start (S)Finish (F)
N4080120160200240280FS45.9237° N, 6.8694° E

Elevation profile & course telemetry

Altitude from 1,003 m to 17,253 m above sea level (+25,000 m D+, -21,250 m D-)

Peak: 17,253 m·at 90.2 km·Ø 15.4 %
1,003 m6,420 m11,836 m17,253 m0 km60 km120 km180 km240 km300 km17,253 m
Event Information & Answers

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).