Discrepancy between on-track leaderboard timing bar and main menu/web browser leaderboard

[lost atlas]

I've noticed that the main menu leaderboard (and the one on the web) doesn't reflect the ranking and times presented by the timing bar when on track.

Here's the up-to-date one displayed when on track after I improved my time:

Here's how it looks when viewing the board with a browser or from the game's main menu leaderboard: