Photo Finish. Splash screen that pops up for close sprints.
Auto screen capture. Automatically take a screen capture at specific location (Finish line, top of the climb, etc), and post them to a social media account or a setting to automatically save them to a folder.
Review view mirror, or Picture In Picture. Small window(screen) of another settable, or successive camera angle.
These could be combined. ex. A splash screen of a Photo Finished could be displayed on the PIP window.