3 Jours d'Aigle is a three-day track cycling competition held at the UCI World Cycling Centre in Aigle, Switzerland, typically in late September. Admission is free for spectators, offering a straightforward opportunity to view track racing within one of cycling's primary training facilities.
The event features Swiss and other European riders, with competitions for U17, U19, and elite categories for both women and men. It is listed on the international UCI calendar as a Class 1 event, enabling riders to earn significant UCI points for World Cup qualification. These points also contribute indirectly to Olympic qualification.