Runners crossing Sydney Harbour with the Harbour Bridge and Opera House in view

Partner feature

Last days: Sydney ballot closes Monday 7am

Five minutes this weekend could get you to your next Major. The 2027 TCS Sydney Marathon ballot is free to apply — you are only charged if your name is drawn.

Last weekend to apply · closes Mon 19 Oct, 7am SGT

Apply now

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Running is one of the best ways to exercise the heart. As you run, the muscles in the legs work harder, requiring more oxygen. This need is fulfilled by the heart, which pumps faster to distribute more oxygen rich blood to these muscles. Although it sounds counter-intuitive that tiring the heart out should be good for it, it’s true. The heart gets strengthened on such workouts.