Road Closures

> Click here for Media Advisory

For the safety of the runners and walkers on the race course, select streets will be closed to thru traffic on Sunday, April 29, 2018 from 3:00am to 3:00pm, although some locations are impacted for specific windows of time in that range. Please allow extra time if traveling throughout town and expect minor delays on Sunday, April 29. Affected areas are detailed in the below printable zone maps with timing impacts, flow of runners, etc.

The San Luis Obispo Police Department, California Highway Patrol and professional traffic control staff will be at all points controlling traffic, as well as allowing cross traffic where DETOURS are posted. NOTE: Closed road signs will help guide your route plus course marshals will be on the course to answer questions. Contact us with special requests or questions in advance at

We thank you for your cooperation. The SLO Marathon + Half is organized by a team of part-time staff and hundreds of volunteers. In 2016, Race SLO events delivered more than $4 million in economic impact to the region and its influence on the destination endurance sports industry has continued to grow nationally and internationally. To read about Race SLO's economic impact and to download the complete report please click here.

All files below will open a PDF in a new browser tab.

> Complete 2017 Road Closures Spreadsheet
> Fredericks-Hathaway-Slack neighborhood
> Downtown SLO
> Foothill Community
> Johnson Avenue - Bishop St. - Laurel Ln.
> LOVR Communities - Laguna Ln. - Diablo Dr.
> Madonna Rd. - LOVR Communities
> N. Chorro St. Community
> N. Johnson Ave
> N. Monterey St - Grand Ave.
> Orcutt Rd. to Tank Farm Rd.
> Orcutt Rd. - Avocado Ln. to Morretti Cyn Rd.
> Orcutt Rd. - Tank Farm Rd to Avocado Ln.
> S. Chorro St. Community
> S Johnson Ave. Orcutt Rd.