Important follow up question– Is this a chest strap or wrist strap? Hotter weather will increase blood flow to your extremities and inflate your HR on a wrist strap, so thats an important key piece of info before we dive in!
heat or out of shape?
SO I have been massively breaking records w my heart rates lately. I ran for two hours above my Aet (166) which by definition is impossible. I also ran for 45 minutes at my Ant (174). The thing is–they both felt easy. I’m going over my Z1 threshold just by walking fast or walking up the slightest hill. I used to keep it in Z1 running at 9:30 miles. Now if I do that pace I’m above my Ant.
It seems heat-related, even though I haven’t been running in over 90 degree days. So it hasn’t been THAT hot. I did do most of my training in the fall/winter/spring so this is my first summer training seriously. However, this also has coincided w a lack of consistency and a steep drop in my CTL. I was at an 80 and now I’m at a 40, due to inconsistency the past three months and particularly the past three weeks. But I still feel in okay shape. It makes no sense that I could still run 16 miles comfortably at 10/11 minute miles. It feels like normal to me but my HR is crazy high. I’ve just assumed it must be bc of the heat. Do people on here have a summer Aet and a winter Aet/Ant? Any ideas?
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