Originally Posted by
Trsnrtr
Who knows? It’s a relatively new feature.
Im assuming it’s a combination of heart rate, power temp etc??
which Garmin?
I actually like the heat when my route is relatively flat, but I couldn’t take it yesterday. One of the hills hit 18% for a decent stretch (4-500 feet) and I actually had to stop. Can’t remember the last time I had to stop on a climb.