[evandale]

Woah this looks cool! I use a chrome extension (elevate for Strava) that gives you lots of additional stats but this seems to have even more.

[eitally]

intervals.icu is fabulous and 100% worth paying to support the single dev who runs it.

[tcmb]

Elevate is no longer developed as a browser extension and lives on as a desktop app: https://github.com/thomaschampagne/elevate/