Open a session by double-clicking it in the Sessions library (or right-click → Analyze Session). Since 1.5.3 you can also double-click a session file in Finder — see Importing Sessions. It appears as a row under Session analysis in the sidebar and stays open until you close it.

While the file is being read, the pane shows how far along it is rather than an unmarked spinner.

Tabs and windows

Saved analyses

Added in 1.5.3. A tab remembers how you left it, but only until you close it. A saved analysis keeps it for good: the panes, the compared laps and their colors, the split division, the reference laps, the video.

Saved analyses point at your sessions rather than copying them, so they cost kilobytes, and the name defaults to when you started working — which is usually how you remember it.

The two views

Across the top of an open session are its header tabs: