They have trained and pushed themselves. They are pumped up and primed to go. Starting at 8 a.m. Saturday and stretching over the next 24 hours, more than 4,000 runners will hit the pavement for the 36th Baker to Vegas Challenge Cup Relay. Here at Behind the Badge, we wish them bon voyage and best of luck. Baker to Vegas, more formally the Los Angeles Police Revolver and Athletic Club’s Challenge Cup, or less formally B2V, was founded in 1985 with 19 teams. This year, after a two-year pandemic hiatus, the race returns with a field that will include 219…