We start this week off with some NYC Marathon news before diving into some recent doping happenings. After this we review the Ironman World Championships in Nice before a look at the World Track and Field Championships. Finally we have our interview with Joseph Mestrallet. Joseph Mestrallet is a data scientist ,CEO and Founder of Enduraw. Additionally he is currently the team manager at Nutri-pure, where he works with multiple elite athletes with a deep conviction: mathematics are the keys to reach the last few percent of performance. Joseph is the data scientist who helped engineer wins at UTMB for Tom Evans and Ruth Croft. (00:00) Introduction(00:25) Medical Question(03:40) David’s Update and Time in Nice (08:00) Community Shoutouts (12:53) NYC Marathon Announces Sifan Hassan and Eliud Kipchoge (16:33) Joyline Chegnego Positive Test (19:15) Raven Saunders Whereabouts Failures (20:40) Diribe Welteji Test Refusal and Ban Upheld by CAS (21:58) Sebastian Sawe Extra Testing Pre Berlin (23:49) Ironman World Championships Nice (29:05) Track & Field World Championships (30:15) Predictions Update (32:34) Falls in the Races (32:24) False Starts and the Starter(35:24) Discuss Body Types (37:38) Field Event GOATs(39:23) Why is the USA so Successful (41:21) World Championships Broadcast (42:18) Narrow Margins of Victory (43:28) Observations from the Marathons (49:09) Other Observations from the World Championships(52:30) Interview Starts (55:55) What Other Projects has Joseph Worked on? (59:24) What Data Does Joseph Collect for his Planning? (1:01:32) What Goes Into Wholistic Performance? (1:08:09) How Close was Joseph’s Pacing Plan to Actual Performance? (1:10:29) What Sort of Testing did Joseph do to Prepare the Pacing Plans? (1:14:00) Predictions Margins of Error (1:16:17) What Live Data was Joseph Giving During the Race?(1:19:27) Is This Data Informed Preparation Against the Spirit of Trailrunning? (1:20:17) What Live Data was Joseph Giving During the Race?(1:23:24) How is Joseph Thinking about AI in his Work? (1:30:00) Doctors Office(1:31:06) What We’re WatchingThanks to Precision Fuel and Hydration for their sponsorship, use the link below to get 15% off your first order and support the podcast: https://visit.pfandh.com/theonepercentbetterpodcastIf you’re unsure how which products to use or how to plan your race nutrition check out Precision’s Fuel & Hydration Planner (if you follow this you will have your discount applied automatically on your first order too): https://visit.pfandh.com/onepercentfuelplannerThanks also to Stryd for their sponsorship, check out Stryd:Stryd helps you optimize your training and racing by measuring your running power, providing real-time data to improve efficiency, pace, and performance on any terrain. Plus, it integrates seamlessly with your favorite running watch for real time guidance! Go to https://stryd.live/opb to export Stryd’s cutting-edge technology and how it can empower your run.Article on Joyline Chepnego Banhttps://iancorless.org/2025/09/12/joyline-chepngenos-ban-the-complex-web-of-doping-management-and-responsibility/ Links to Joseph Enduraw Website: https://enduraw-data.com/ Enduraw Strava Integration: https://enduraw-data.com/services/enduraw-dashboard Enduraw Instagram: https://www.instagram.com/enduraw.data/ Joseph's Website: https://joseph-mestrallet.com/ Joseph's Instagram: https://www.instagram.com/josephmestrallet/ Submit topics, feedback or questions to us on Instagram via DM or to the email address:
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