America's Finest City Half Marathon is an annual road running event over the half marathon distance 21.0975 kilometres (13.1094 mi) which is held in mid-August on the streets of San Diego, California. The race was inaugurated in 1978 and has been held every year since then. By 1985, more than 6000 professional and amateur runners were taking part in the race each year. Both men and women are able to enter into the half marathon and shorter 5 kilometer fun run.

Balboa Park is a 1,200-acre (490 ha) historic urban cultural park in San Diego, California, United States. In addition to open space areas, natural vegetation zones, green belts, gardens, and walking paths, it contains museums, several theaters, and the San Diego Zoo. There are also many recreational facilities and several gift shops and restaurants within the boundaries of the park. Placed in reserve in 1835, the park's site is one of the oldest in the United States dedicated to public recreational use. Balboa Park is managed and maintained by the Parks and Recreation Department of the City of San Diego.