Several options are available for customizing the view of the activity graph and can be found by clicking the  icon.  Graph options will be saved per activity type/sport. 

• Graph: Toggle general graph options on and off.
  
• Channels: Customize channels (such as heart rate, power, etc.) shown on the graph. The channel options here are customized based on each activity type. Choose from a range of settings for each channel:
  - Visible: Hide or show this channel by default in the graph. All available channels can be toggled on and off by clicking the channel name.
  - Inc. zeroes: Include or exclude zeroes in average
  - Rolling avg: By default, all available channels will be shown without any rolling average. To add an option that uses a rolling average, click the icon and input your desired rolling average. Use the 'Visible' column to
  - Type: Graphing method, such as line, scatter, spline, etc.
  - Style: Line style, such as dashed, dotted, etc.
  - Size: The weight of the line.
  - Color:  The color of this channel on the graph. 
• Flag text: Toggle on items to show in the flag text, customize prefix/abbreviations, and arrange items to your liking.
  
• Reference Lines: Add visual reference lines to your graph for any channel, with custom labels and coloring.