Ultra Rail Silicon Valley

San Francisco 4th & King Street San Jose Diridon
Run the length of the Caltrain main line through Silicon Valley from San Francisco to San Jose.

The approximate distance for this challenge is 49 miles, although the exact distance will depend on the route you choose to take between waypoints.

Time limit

You should complete this challenge in under 15 hours and submit your result within 28 days from the day you sign up.

Challenge Waypoints

San Francisco 4th & King Street

37.776320, -122.394390

Start at the traffic lights in front of the "San Francisco 4th & King Street" sign on the corner of 4th & King Street (pictured).

San Jose Diridon

37.329940, -121.902180

Finish at the "San Jose Diridon" sign in front of the San Jose Diridon station entrance (pictured).