How to change the display of my trails?

Two options are available to you :

Change the display options in the editor:

1) Go to the "settings".

2) Select the "display" proposition.

3) Once done, go to the editor section.

4) Change the different display options.

Change display options when creating a track:

1) Go to "create a trail".

2) Click on the "display" tab.

3) Then change the different display options.