On Friday the monthly Critical Mass bicycle ride will leave from Justin Herman Plaza sometime after 6 p.m.
Motorists and transit riders may be delayed as the bicycle ride passes. Roads will reopen as soon as bicyclists have passed.
On Sunday the annual San Francisco Marathon will begin from The Embarcadero and Mission at 5:30 a.m., with staggered starts until 6:40 a.m. The race route will loop north along The Embarcadero, through the Presidio, the outer Richmond District, Golden Gate Park, the Haight, the Mission District, Inner Bayview and back to The Embarcadero. An attendance of up to 20,000 runners is expected.
From midnight, Saturday to 2:45 p.m., Sunday, the following street closures are required
?? Northbound Embarcadero between Broadway and King Street
?? King Street between northbound Embarcadero and 3rd Street
?? Steuart Street between Howard Street and the Southerly Terminus
?? Eastbound Howard Street between The Embarcadero and Spear Street
?? Southbound Embarcadero between Broadway and Harrison Street
Various additional street closures will be required between 5 a.m. and 12:15 p.m. throughout the race route including in the Presidio and Golden Gate Park.
The following Muni routes and lines will be affected
F Market K Ingleside* L Owl
M Ocean View* N Judah** N Owl
T Third 1 California 2 Clement
5 Fulton 6 Parnassus 9 San Bruno
10 Townsend 12 Folsom/Pacific 14/14L Mission
14L Mission Limited 19 Polk 22 Fillmore
24 Divisadero 27 Bryant 28 19th Avenue
29 Sunset 31 Balboa 33 Stanyan
37 Corbett 38 Geary 39 Coit
43 Masonic 44 O’Shaughnessy 47 Van Ness
48 Quintara 49 Van Ness 71 Haight/Noriega
76 Marin Headlands
*Early morning bus service only
**Metro and early morning bus service
Up Your Alley Fair
The Up Your Alley Street Fair will be held on Sunday from 11 a.m. to 6 p.m.
The following street closures will be required from 5 a.m. to 9 p.m., Sunday:
?? Folsom Street from 9th Street to 11th Street
?? 10th Street from Howard Street to Harrison Street
?? Dore Street from Howard Street to Sheridan Street
?? Intersection: 10th Street and Folsom Street
The following Muni routes will be affected:
?? 9 San Bruno
?? 12 Folsom
?? 19 Polk
?? 27 Bryant
?? 47 Van Ness