The Miami Beach Half-Marathon happens Sunday morning, crossing the MacArthur and Julia Tuttle causeways and promising some traffic tie-ups between the two causeways along Alton Road.
The race starts at 6:15 a.m. Runners should be clear by 10 a.m.
The run starts at on Ocean Drive at 11 Street. The course goes south on Ocean, west on 5thStreet across the MacArthur (single outer lane only), back on the Tuttle (single outer lane only), south on Alton Road (single inner lane only), east on Dade Boulevard, north on Meridian Avenue, east on 29 Street, south on Prairie Avenue east on Dade Boulevard, south on Washington Avenue, east on 14 Street, south on the serpentine sidewalk where it ends at 11 Street.
The northbound Alton ramp from I-195 will be closed. Drivers accessing the hospital should take the first left after the bridge from 41 street.
If you are running, don’t go out too fast, drinking plenty of water, and be safe.
If you are driving, be patient.