Fitness coach and content creator Annabelle Ronnfeldt shares the fundamentals needed to build fitness endurance (in her case, a marathon) covering training programs, nutrition and mindset.  WANT MORE FROM ANNABELLE? You can catch Annabelle @annabelleronnfeldt or find her on TikTok here. For her training programs see at @movewithus or for the Sydney Marathon see here or @sydney_marathon.  WANT MORE BODY + SOUL?  Online: Head to bodyandsoul.com.au for your daily digital dose of health and wellness. On social: Via Instagram at @bodyandsoul_au or Facebook. Or, TikTok here. Got an idea for an episode? DM host Felicity Harley on Instagram @felicityharley.  In print: Each Sunday, grab Body+Soul inside The Sunday Telegraph (NSW), the Sunday Herald Sun (Victoria), The Sunday Mail (Queensland), Sunday Mail (SA) and Sunday Tasmanian (Tasmania).  See omnystudio.com/listener for privacy information.