XML
Please use the following address to access your calendar from other applications.
You can copy and paste this into any feed reader.
https://www.google.com/calendar/feeds/foursquare%40foursquare.ca/public/basic

ICAL
Please use the following address to access your calendar from other applications.
You can copy and paste this into any calendar product that supports the iCal format.
https://www.google.com/calendar/ical/foursquare%40foursquare.ca/public/basic.ics

HTML
Please use the following address to access your calendar in any web browser. 
https://www.google.com/calendar/embed?src=foursquare%40foursquare.ca&ctz=America/Vancouver