SAN FRANCISCO - MAY 17: Runners, some wearing costumes, take part in the ING Bay to Breakers race May 17, 2009 in San Francisco, California. Now in its 98th year, the ING Bay to Breakers 12K is one of the world's largest and oldest footraces, featuring world-class athletes in addition to costumed runners. (Photo by Ezra Shaw/Getty Images)
Four express trains will run early Sunday morning to provide service to the race. All trains are scheduled to arrive in San Francisco by 6:40 a.m., transit officials said.
The Special A train will depart the Mountain View Caltrain station at 5:10 a.m. The Special B train will depart San Jose's Diridon station at 5:20 a.m. The Special C train will depart San Jose's Diridon station at 5:25 a.m. The Special D will depart at 5:30 a.m.
The starting line for the race is about 1.4 miles from the San Francisco Caltrain station at Fourth and King streets. Riders can walk or take the San Francisco Municipal Railway Muni Metro T-Third light-rail line to the race, transit officials said.
After the event, two express trains will depart San Francisco for San Carlos, making all local weekend stops to San Jose Diridon station. The express trains will depart San Francisco station at 1:10 p.m. and 2:10 p.m.
Caltrain will not be servicing the Santa Clara station due to construction.