If it was hot and particularly humid, I think heat may have been your culprit. If you have a heart monitor, watch your HR as the temps climb. Does it gradually increase while your speed decreases?
If it was hot and particularly humid, I think heat may have been your culprit. If you have a heart monitor, watch your HR as the temps climb. Does it gradually increase while your speed decreases?
I didn't even think about the heat. Yeah, it was humid and hot. And I do much better in cold weather.