Show HN: Effort Lab – Same running pace, different heart rate zones
https://www.motraapp.com/effort-lab
Hi HN,If you are into fitness, I hope you’ll find this interesting.I’ve been building a fitness app around a question that ordinary activity summaries and fitness apps don’t answer particularly well:“How hard did this session ask my body to work?”Imagine two friends running a 5K together at 5:30/km. Same route, same distance and the same 27:30 finish time.In the synthetic example linked here,...