The Walnut Creek Half Marathon will make a loop from Treat Boulevard to Ygnacio Valley Road. Traffic may be impacted between 7 and 10 a.m. Learn more at www.runwalnutcreek.com.

COURSE ROUTE:

• North on Civic to North on Oak Rd to
• East on Treat Blvd to
• South on Cowell to
• West on Ygnacio Valley Rd to
• North on San Carlos into Heather Farm Park and onto the Canal trail