How Does Altitude Affect Cycling Performance

How do athletes deal with lower available oxygen levels at higher elevations Subscribe to GCN: Get exclusive GCN gear in the GCN store Sign up to the GCN newsletter: Ride a bike in any mountain range and at a certain point you ll get above an elevation where the concentration of oxygen begins to decrease compared to sea level. The Colle Delle Agnello, the highest point of this year s Giro D Italia at 2744m, has 25 less ox