Nocturna Huelva Onupolis is a nighttime running event in Huelva, Spain, offering 10 km, 5 km, and 2 km distances. The 10 km and 5 km races are timed, while the 2 km is untimed, accommodating both competitive runners and those seeking a shorter run. It is part of the Onupolis popular sports circuit, organized and promoted by Consulting TPO with Huelva City Council's support for venue provision.
The event has official results and classifications for the competitive races. Onupolis focuses on non-professional sport in the city, involving clubs and associations, with private sponsors contributing to the circuit's funding. The broader circuit also includes indoor and outdoor sports, forums, fairs, awards, and connections with local commerce, tourism, and culture.