DON McDERMOTT / PVT More than 4,500 runners from 227 teams will compete in the 24th annual Baker-to-Vegas Challenge Relay -- a 120-mile, 20-stage race by law enforcement organizations -- from Baker, Calif., to the Hilton Hotel in Las Vegas. The race starts at 9 a.m. at Baker High School, with runners expected to arrive in Pahrump between 4:30 p.m. and 6 p.m. The race route includes Highways 372 and 160 in Pahrump. The winning time in 2007 was 13 hours, 3 minutes.