The San Silvestre Aguilarense routes runners through Aguilar de la Frontera in Córdoba on New Year's Eve. The race begins and ends at Paseo de Agustín Aranda, with a 6:00 PM start time. This short, urban road race is organized by Club de Atletismo Amo Allá, with assistance from the town council and the Diputación de Córdoba.
The organizer's regulations outline a two-lap town circuit covering approximately 3.7 km. Participation is open to individuals aged 14 and above, including both federated and non-federated athletes. The event serves a social function alongside its athletic aspect: participants are encouraged to donate non-perishable food items, which will be distributed to a local charity association and the Food Bank.