Beyond our own known horizon

The UTMB is a series of trail races, spanning three countries, and ranging between 4, 8 and 15 kilometres long for young runners YCC (Youth Chamonix Courmayeur), to the 300 kilometre, 25,000m-elevation-gain (D+), 2 to 3 person-team Petite Trotte à Léon (PTL) race - and anything in between! Details