Road Closures

For the safety of the runners and walkers on the race course, select streets will be closed to thru traffic. Affected areas are detailed in the below printable zone maps. Affect time is Sunday, April 30, 2017 from 4 a.m. to 3 p.m., although some locations are impacted for specific windows of time in that range.

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: All closed road and detour signs will help guide your route. 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 over $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. - Downtown SLO
> S. Chorro St. Community
> S Johnson Ave. Orcutt Rd.