August 12, 2018 between the hours of 6:00 am. to 2:00 pm. - The 4th Annual Humboldt Bay Marathon will be "running" a Full Marathon, a Half Marathon and a 5K race going through Arcata, Eureka, Manila and Samoa and along Highway 101 through the Safety Corridor. Please obey all traffic signs and drive safely near the event. Here is a list of streets that will have full or partial closures.
Closed to thru traffic
Alice Avenue, from Ernest Way to Parton Lane
Ernest Way, from Upper Bay Road to Alice Avenue
Foster Avenue, Entire length
Jackson Ranch Road, Entire length
Lanphere Road, from Seidel Road to Upper Bay Road
Mad River Road, from Miller Lane to Upper Bay Road
Miller Lane, from Parton Lane to Mad River Road
Parton Lane, from Alice Avenue to Lanphere Road
Upper Bay Road, from Foster Ave to Ernest Way
Partial Closures
Cookhouse Road, Westbound Lane
New Navy Base Road, Northbound right lane only
Vance Avenue, Southbound Lane
