e-Logbook is a free interactive online GPS / IGC track viewer. It allows you to visualize a GPS / IGC track on an interactive 2D topographic map with flight analysis features. Features:

• Entirely free to use (and will always be)
• View track on a 2D topographic map with the possibility to interactively zoom in/out and pan
• Graph altutudes vs. time
• Interactively follow the track records
• Basic information about the track: Start and end times, duration, minimum and maximum altitudes
• Detailed analysis per phase: Type (left, right, transition, mixed); Duration; Altitude gain; Vertical velocity; Ground distance; Lift/Drag glide ratio
• Summary statistics: Percentage of time spent and average altitude gain per phase type Information for gliders, if available:
• Glider type
• Registration
• Competition id