I do upload my workout data to Strava, but not directly. I am an iPhone user and I use HealthFit to sync any workout in Apple Health to the different platforms that I use.
But I also use HealthFit for analytics, statistics and health. It’s a really great app.
apps.apple.com/app/id120265051…
HealthFit
If you love working out with Apple Watch, but you need more advanced fitness stats, HealthFit is for you.App Store