![I spent 60% of my workout with a heart rate at or above 179. Is this dangerous? This is my second month of cycling. I use a trek mountain bike (which makes I spent 60% of my workout with a heart rate at or above 179. Is this dangerous? This is my second month of cycling. I use a trek mountain bike (which makes](https://preview.redd.it/3omgrgf7wvt71.jpg?width=640&crop=smart&auto=webp&s=f3b40795754bc453fb0df0eeaf0bb05dc41878ce)
I spent 60% of my workout with a heart rate at or above 179. Is this dangerous? This is my second month of cycling. I use a trek mountain bike (which makes
![Peddle Yourself Fit: How to Get the Most Out of a Stationary Bike | Target heart rate, Heart rate zones, Heart rate chart Peddle Yourself Fit: How to Get the Most Out of a Stationary Bike | Target heart rate, Heart rate zones, Heart rate chart](https://i.pinimg.com/originals/3e/eb/2a/3eeb2a01abbbbfbcc4eb4b982441e78f.jpg)
Peddle Yourself Fit: How to Get the Most Out of a Stationary Bike | Target heart rate, Heart rate zones, Heart rate chart
![22 ITouch Sport Smartwatch with Heart Rate Monitor ideas | smartwatch features, heart rate monitor, smart watch 22 ITouch Sport Smartwatch with Heart Rate Monitor ideas | smartwatch features, heart rate monitor, smart watch](https://i.pinimg.com/550x/ee/59/9b/ee599b7b2c91aa8ffcca752a951b3cd3.jpg)
22 ITouch Sport Smartwatch with Heart Rate Monitor ideas | smartwatch features, heart rate monitor, smart watch
![Average heart rate (a) and power (b) during 1 h of cycling at an RPE of... | Download Scientific Diagram Average heart rate (a) and power (b) during 1 h of cycling at an RPE of... | Download Scientific Diagram](https://www.researchgate.net/publication/349872546/figure/fig1/AS:998950509244417@1615179769645/Average-heart-rate-a-and-power-b-during-1h-of-cycling-at-an-RPE-of-15-in-20C-and.png)
Average heart rate (a) and power (b) during 1 h of cycling at an RPE of... | Download Scientific Diagram
![Average heart rate (a) and power (b) during 1 h of cycling at an RPE of... | Download Scientific Diagram Average heart rate (a) and power (b) during 1 h of cycling at an RPE of... | Download Scientific Diagram](https://www.researchgate.net/publication/349872546/figure/fig1/AS:998950509244417@1615179769645/Average-heart-rate-a-and-power-b-during-1h-of-cycling-at-an-RPE-of-15-in-20C-and_Q320.jpg)