Editor's note: This thread was started in 2014 when Doha was awarded the 2019 World Champs.
I have lived in Doha for 5 years and I have run in my fair share of heat while here. During the last week of September/first week of October it is still around 92-95 at the LOWEST time in the day! At that time of the year to get in a long run, I have to split 1 hour outside and 1 inside - I usually get up at 4:30 so I can be out the door at 5:00. When I check my phone at that time, the temperature is usually around 94 with 50-75% humidity which yields a "perceived temperature" of about 105...after doing an hour outside at a modest pace, I am exhausted and the second half of the run isn't easy. I feel sorry for the poor marathoners who will be asked to run here, I don't see how it will work. As somebody who is typically in 16:00 5k shape or so, I don't think I could crack 17:00 at that time of year, and I've had years to acclimate to the weather...it's going to be brutal.