Taking custom workouts outdoor

[Bagz]

Ok, so I’ve been using the TR workout creator for nearly all my workouts, but unlike most of the TR workouts these cannot be taken outside.

So what platforms do you guys use for creating workouts that easily transfer to your devices?
I’ve look at Garmin Connect but it looks very tedious.

[cnigro]

Trainingpeaks workout builder is much easier to use

[hubcyclist]

I think trainerday may do this. I just got access to garmin developer api so I’m hoping to do this myself with a workout creator I have up