Rob has done brilliantly to qualify for the Ironman World Championships, in Hawaii, on Saturday 12th October. 2.4 miles swim, 112 on the bike, then the marathon.
You can follow his progress via this link, using Rob's race number which is 858. Rob's event will start at 7am Saturday local time, which is 6pm Saturday UK time (Hawaii is 11 hours behind the UK).
Andy