will have greg anderson with the pro cycling leading the stage.he trek is 81 miles down south to san jose. that stage is expected to wrap up before 4:00 this afternoon. livermore paid $38,000 to host stage 4. they expect the race to bring in just under $million to the city. we spoke to a livermore resident who has a newfound respect for cycling. >> they pedal quite a bit. >> reporter: it's 81 miles. you can do 81 miles? >> on my motorcycle. [ laughter ] >> reporter: the mayor will lead the walk this morning to the starting line. it's a quarter mile. it's personal because he used an an experimental medication used by amgen when he had stage 4 limb he foe ma. he's now cancer free. spectators will be up and close -- up close and personal to the cyclists, cyclists will head out aren't 11 -- around 11:45, one of the most famous cyclists who won't be participating in this tower, lance armstrong, but we hear he may pay a visit to the end of the stage 4 which will be in san jose. reporting live in livermore, jade hernandez, ktvu channel 2 news. >>> all ri