The California International Marathon point-to-point, net downhill course has remained unchanged for 39 years, providing over 100,000 runners of all speeds–from first-timers to the fastest of the fast–the best chance to achieve their marathon goals.CIM is certified and sanctioned by USATF and is a Boston Marathon and US Olympic Trials Marathon qualifier.CIM is put on by the Sacramento Running Association, a 501(c)(3) nonprofit organization.