Olympic triathlon gold medallist Gwen Jorgensen says she will switch to the marathon for the Tokyo 2020 Olympic Games.
Two-time world triathlon champion Helen Jenkins is aiming to return to the sport at the 2018 World Series.
Britain's Lucy Charles finishes second on her professional debut at the Ironman World Championship in Hawaii.
Ironman world record holder Tim Don is in hospital after suffering a neck fracture in a collision with a car in Hawaii.
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Robert James will be taking part in the triathlon in Pembrokeshire on Sunday.
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