When you load the map...
Give it a minute. If it doesn't work, you may need to take extra steps enable location sharing in your phone's system settings and/or your phone's web browser settings.
When you're done, conserve battery life on your phone by toggling your location back off with the same pin button. (You can keep the map open.)
If you are still lost or need mechanical help, call our Hub Support team at 617-522-0222
GPS files to use with a Garmin (or similar) device on your bike.
More info about the Bike-A-Thon.