Thousands of runners will descend on Santa Barbara neighborhoods on Sunday for the sixth annual half-marathon and 5K race, prompting street closures and parking restrictions. 

Residents in affected neighborhoods may have received mailed notices about the half marathon and 5K races, which have routes through Eastside, Westside, downtown, waterfront and Mesa neighborhoods. 

Event staff also warn residents of possible heavy traffic from 5:30 a.m. to 8:30 a.m. Sunday, especially along the waterfront area.

The half-marathon race begins in four waves on Cabrillo Boulevard and State Street at 7 a.m. The 5K race begins at 8:30 a.m.

The race route streets will also have parking restrictions in place starting in the early morning. Check those here. 

Race day street closures include: 

• State Street from Gutierrez Street to Mason Street will be closed from 3 a.m. to 12 p.m.
• E. Cabrillo Boulevard from State Street to Garden Street will be closed from 3 a.m. to 10 a.m.
• Yanonali Street from State Street to Anacapa Street will be closed from 3 a.m. to 1 p.m.
• Helena Street from Montecito Street to the train tracks from 3 a.m. to 1 p.m.
• W. Cabrillo Boulevard from Castillo Street to State Street from 6 a.m. to 10 a.m.
• E. Cabrillo Boulevard from Garden Street to Channel Drive from 6 a.m. to 10 a.m.
• Shoreline Drive from Castillo Street to La Marina from 6 a.m. to 10 a.m.
• Shoreline Drive from La Marina to Meigs Road from 6 a.m. to 9 a.m.
• Meigs Road from Shoreline Drive to Cliff Drive from 6 a.m. to 9 a.m.
• Castillo Street (S/B side) from Cabrillo Boulevard to Montecito Street from 6 a.m. to 10:30 a.m.
• The Southbound 101 off-ramp at Castillo Street and the Northbound 101 off-ramp at Bath Street will be closed from 6 a.m. to 10:30 a.m.
• Haley Street (E/B side) from Castillo Street to Brinkerhoff Ave will be closed from 6 a.m. to 10:30 a.m.
• Haley Street from Brinkerhoff Ave to Chapala Street will be closed from 6 a.m. to 10:30 a.m.
• Chapala Street from Haley Street to Ortega Street will be closed from 6 a.m. to 10:30 a.m.
• Ortega Street from Chapala Street to State Street will be closed from 6 a.m. to 10:30 a.m.
• Victoria Street from State Street to Santa Barbara Street will be closed from 6 a.m. to 11 a.m.
• Sola Street from Anacapa Street to Garden Street will be closed from 6 a.m. to 11 a.m.
• Anacapa Street from Sola Street to Victoria Street will be closed from 6 a.m. to 11 a.m.
• Micheltorena Street from Santa Barbara Street to Garden Street will be closed from 6 a.m. to 11 a.m.
• Arrellaga Street from Santa Barbara Street to Garden Street will be closed from 6 a.m. to 11 a.m.
• Santa Barbara Street from Micheltorena Street to Victoria Street will be closed from 6 a.m. to 11 a.m.
• Garden Street (Southbound) from Arrellaga Street to Sola Street will be closed from 6 a.m. to 11 a.m.
• State Street from Sola Street to Gutierrez Street will be closed from 6 a.m. to 11 a.m.