Playback speed×Share postShare post at current timeShare from 0:000:00/0:00Transcript2681Is Heart Rate-Based Training and Racing Useless?My thoughts.Brady HolmerNov 05, 20252681ShareTranscriptDiscussion about this videoCommentsRestacksPhysiologically SpeakingSubscribeAuthorsBrady HolmerRecent PostsPhysiologically Speaking Live | 12.10.25Dec 10 • Brady HolmerPhysiologically Speaking Live | 12.4.2025Dec 4 • Brady HolmerPhysiologically Speaking Live | 12.1.25Dec 1 • Brady HolmerTraining Update + a Look into My Injury History as a RunnerDec 1 • Brady HolmerCalifornia International Marathon Training UpdateNov 18 • Brady HolmerPhysiology Friday #285: Q&A on Ketones, Creatine, Endurance Nutrition, Heat Training, and More!Sep 12 • Brady HolmerThe Science of Protein Quality with Dr. Joseph MatthewsAug 11 • Brady Holmer and Joseph Matthews PhD