Intervals.icu now has gradient adjusted pace for running using the same model Strava uses. You can configure running to use GAP for training load. There are also pace zones but no “time in pace zones” yet. You can control the default training load priority per sport.
Question: Should “time in pace” zones use GAP or normal pace?
Runs with GAP have it displayed in the summary. You need to re-analyze or re-apply zones to get this on old activities.
The edit training load dialog shows all load values:
I am going to add GAP to interval stats.