On Friday at 6 p.m., the Critical Mass bicycle ride will begin at Justin Herman Plaza. Route is unknown.
There will be heavy traffic in the area. Motorists are advised to allow extra travel time.
Escape From Alcatraz Triathlon
On Sunday the 34th annual “Escape from Alcatraz” Triathlon will begin at 7:30 a.m. with a swim from a barge off of Alcatraz into the beach next to the St. Francis Yacht Club.
Bike riders will leave Marina Green, then bike into the Presidio to the Great Highway through Golden Gate Park and back to the Marina for the run to Baker Beach and back to the finish line on Marina Green.
The westbound section of Marina Boulevard between Scott and Lyon streets will be closed between 5:30 a.m. to 1 p.m. (westbound traffic lanes only)
Note: Marina Boulevard will be open for two-way traffic (eastbound and westbound) with an exception of one lane closure on each direction.
The route of the bicycle portion of the triathlon will be as follows: from Marina Green into the Presidio to Legion of Honor Drive, right on Clement to the Great Highway, through Golden Gate Park via Martin Luther King, Jr. Drive to Transverse, and return via John F. Kennedy Drive on the same route to Marina Green.
The entire bike route will be heavily monitored by SFPD, SFMTA Parking Control Officers and race officials. Traffic will be slow in the affected areas and motorists may be delayed as the race passes.
The route of the running portion of the triathlon will be as follows: from Marina Green into The Presidio, down to Baker Beach and back to the finish line on the Marina Green.
The following Muni routes will be affected by the triathlon:
18 46th Avenue
38 Geary (outbound only)
On Sunday the 94th annual Statuto Race will begin at 9 a.m. in North Beach. This race consists of an 8K-run and a two-mile walk.
The following street closures will be required:
7 a.m. to noon:
Stockton Street between Union and Filbert streets
8 to 11 a.m.:
Northbound Stockton Street between Lombard and North Point streets
Eastbound North Point Street between Stockton Street and The Embarcadero
The 39 Coit Muni route will be affected.
MAINTENANCE PROJECT: Revenue Loop Re-lamping
On Sunday, from 8 a.m. to 5 p.m., SFMTA crews will replace the lighting fixture located at the terminals of J Church and K Ingleside rail lines at Balboa Park.
This replacement work is for the safety of our customers and the general public. During the course of the work, these two terminals will be temporarily relocated across the street on San Jose Avenue.