This calculator you can use to adjust your target time during the race or during the training
All the temperatures are for the “feels like”temperature, which takes into account both heat and humidity.
You can also use this calculator to see how much humidity and temperature had affected you
As with any calculator, please be aware that it’s made for the average runner. You have always exceptions.
Some runners can deal with heat and humidity.
High humidity and high temperature still is a big stress factor for any runner. It can cause a lot of damage to your body.