The Hipódromo de San Isidro is a horse racing track located in San Isidro, Buenos Aires, Argentina, owned by the Argentine Jockey Club. It is one of the largest and most important racetracks in the Americas. 120 racing days are held per year, on every Wednesday, every other Friday and Saturday, and some Sundays. The Hipódromo is located 22 km from Buenos Aires City. It has an area of 1.48 km2. Each December, the Hipódromo hosts the Gran Premio Carlos Pellegrini, the most important horse race in Argentina. The Hipódromo de San Isidro hosts the annual Carlos Pellegrini Awards. History In 1926, the Argentine Jockey Club purchased 316 hectares for the purposes of building an additional racecourse to accompany its Hipódromo de Palermo. In 1930, a golf course was completed on the property, designed by Allister Mckenzie. The course itself was built using the latest methods, with accompanying training tracks, stalls, and veterinary hospital building. On December 8, 1935, the racecourse was completed and opened. An inner dirt track was added in 1994. Facilities The racecourse occupies an area of 148 hectares, with a main turf course around, wide, and with a chute for straight races of , races of using a diagonal, and a chute for single turn races of . The inner dirt course is around and wide, allowing it to host races of up to 24 horses. The grandstands have a capacity of 100,000, with of covered seating. The record attendance is 300,000 for the 2022 LollaPalooza Argentina. The property includes five training tracks, covering 94 hectares, including a wide and long turf track, a wide and long sand track, a wide and long dirt track, and two smaller river sand tracks. There are 135 stables containing 1,800 stalls. Other amenities include a chemical laboratory that processes post-race samples from across the country, a veterinary hospital with a Center for Regenerative Veterinary Medicine, a school for apprentice jockeys, a school for farriers, an arboretum, and a sales floor for horses containing space for 3,600 people. Important Races Group 1 Races Copa de Oro Alfredo Lalor Copa de Plata Roberto Vasquez Mansilla Internacional Dos Mil Guineas Gran Criterium Gran Premio 25 de Mayo - Copa Dr. Enrique Olivera Gran Premio Carlos Pellegrini Internacional Gran Premio de Potrancas Gran Premio Enrique Acebal Gran Premio Felix de Alzaga Unzué Internacional Gran Premio Hipódromo de San Isidro - Copa Melchor Ángel