Influence of temperature on performance at ultra skills
Influence of temperature and performance level on pacing a 161 km trail ultramarathon. An American group has studied the influence of temperature on performance at 100-mile runners.
Read moreExtreme heat restricts the speed at all runners. On the other hand, fast runners are strongly limited, as they complete the largest part of the race in the largest heat, read below https://pubmed.ncbi.nlm.nih.gov/21725109/