Expect traffic delays on the North Shore and in Truckee on Sept. 20 during Ironman Lake Tahoe.

It starts at the Kings Beach State Recreation Area; with bike ride going to Tahoe City  through the Truckee River corridor, following the Truckee River past Squaw Valley and into Truckee. Here the course turns south back toward the lake, rolling past Northstar  and the start of the climb to Brockway Summit. Back at Kings Beach athletes repeat another loop before finishing at Squaw Valley. Runners will proceed back up the Truckee River corridor along the Truckee River bike path, returning back to Squaw Village for the finish line.

For info, including details about road closures, go online.