It's interesting to see read the description of conditions during the marathon. 21C is considered ideal for running a marathon Downunder. As a runner/triathlete myself I usually prefer 24-28C, but I guess its what you get used to. Also most documented/recorded deaths during marathons have been due to pre-existing medical conditions, that are complicated by the marathon, not by the race itself in someone without any prior problems. Poor St John's, they seem to cop it every where. Down here, there's the running joke of: How many St John's does it take to CPR?...... ......... 3, one to do compressions, one to ventilate and one to hold the patient down.