OAKLAND, Calif. (KGO) -- If you'd like to take part in the Oakland Marathon , time is running out to register online for Sunday's race.Organizers were at Jack London Square Thursday to promote the event, which also raises money for non-profits.Last year, 10,000 people took part in the race.This year, the five-kilometer race and marathon relay are sold out, but you can still sign-up for the half and full marathons.Online registration ends Thursday at midnight. Click here for a list of street closures. Click here for a map of the course. Click here for a list of AC Transit detours.