1. A method comprising: calculating a geo-location for an activity tracker, the activity tracker being for use by a user when performing an activity; querying a database to determine whether the database includes a location describing the geo-location; generating an option on a display device for entry of an identification of the geo-location upon determining that the database does not include the location describing the geo-location, the identification including a description of the geo-location; updating the database with the description of the geo-location received upon receiving a response to the option; receiving metric data measured by the monitoring device for the performance of the activity; generating activity levels showing changes in the metric data over time; and associating a location identifier including the received description of the geo-location, the location identifier being displayed in association with the activity levels.