Finishing fourth he qualified to the Olympic Trials at Echo Summit.
The remainder, passing through the canyon, over the Sierra Nevada at Echo Summit, and into the Lake Tahoe Basin, is a mainly two-lane road.
Several hairpin turns take the highway up a grade east of Strawberry, after which US 50 continues east alongside the river to its source at Echo Summit.
For many years, the four lanes from Sacramento stopped at Riverton, where the original two-lane road continued through the canyon and over Echo Summit.
Flowers tore his hamstring in June and showed up at the September high altitude Olympic Trials in Echo Summit just barely recovered.
Five weeks later the Pony Express was rerouted by way of Echo Summit and the Kingsbury Grade.
Nebelhorn is just southwest of Echo Summit.
John Carlos ran 19.7 seconds (19.92 auto) (1.9 ms wind), at altitude, at the 1968 US Olympic Trials in Echo Summit.
The easiest trailhead to the summit can be found in Camp Sacramento a few miles west of Echo Summit.
His 48.94 was set at the high altitude United States Olympic Trials (track and field) at Echo Summit, California on September 11, 1968.