Expert-approved ways to boost endurance

Ultra-marathon runner Dr Kay Bretz can help build your endurance, strength and stamina whether you're a runner, rower, swimmer or whatever your fitness vibe. The corporate leader - who raced 250kms across the Australian outback and beat the race record by five hours (as you do) - provides his top tips for increasing your fitness level, plus he talks about the importance of strength training and shares his best self-talk tricks for keeping you going and going and going...   WANT MORE FROM KAY? To hear today's full interview, where Kay discusses his new book and his life-changing concept of “turning right”...search for Extra Healthy-ish wherever you get your pods. Find out more about his new book, Turning Right: Inspire the Magic (Major Street Publishing $32.95), here. Or via his website, here.    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. 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.