ESO Sports are specialists in major global mountain bike races and festivals. Formed in 2012, ESO Sports owns the UCI Mountain Bike World Series and delivers the major formats of the UCI Mountain Bike World Cups. From 2012 to 2022, ESO Sports owned and operated the Enduro World Series, before its elevation to a UCI Mountain Bike World Cup from 2023. 

In 2023, ESO Sports will deliver the Mountain Bike Cross-Country and Mountain Bike Marathon races at the 2023 UCI Cycling World Championships.