In 2011, the Oxygen Challenge will be proposing 12 events (6 in Trail Running and 6 in MTB) intended for a wide range of competitors...
The Oxygen Challenge proposes 6 MTB Cross-Country events between the 2 and 5 June 2011. Compose your à la Carte Challenges!
The Massif Cantalien provides the ideal backdrop for the 6 Trail Running events of the Oxygen Challenge.
Recognised as being Europe’s largest Volcano, the Massif Cantalien offers a superb "recreational terrain" for nature sports enthusiasts
