{"podcast":{"title":"Human Performance Outliers Podcast with Zach Bitter","slug":"human-performance-outliers-podcast-with-zach-bitter-65527","podcast_index_feed_id":65527,"rss_url":"https://humanperformanceoutliers.libsyn.com/rss","website_url":"http://humanperformanceoutliers.libsyn.com/website","image_url":"https://static.libsyn.com/p/assets/1/c/b/0/1cb0a54fe83ba10316c3140a3186d450/ZB_Spotify_v3.png","author":"Zach Bitter","episode_count":509,"summary":"Welcome to the Human Performance Outliers Podcast. Your host Zach Bitter, will take you through a series of interesting topics around health, fitness, endurance, running, hybrid athlete training, ultramarathon, and nutrition. Join in for interviews with folks exploring their outer limits and research in a wide variety of sports, fitness, and nutrition.","last_synced_at":"2026-07-13T20:19:01.808945+00:00","page_url":"https://stenobird.com/podcast/human-performance-outliers-podcast-with-zach-bitter-65527"},"episode":{"title":"Episode 481: Multi-day & Backyard Ultras | Mark Dowdle","slug":"episode-481-multi-day-backyard-ultras-mark-dowdle","published_at":"2026-03-30T10:00:00+00:00","page_url":"https://stenobird.com/podcast/human-performance-outliers-podcast-with-zach-bitter-65527/episode-481-multi-day-backyard-ultras-mark-dowdle","show_page_url":"https://stenobird.com/podcast/human-performance-outliers-podcast-with-zach-bitter-65527","url":"https://humanperformanceoutliers.libsyn.com/episode-481-multi-day-backyard-ultras-mark-dowdle","audio_url":"https://pdcn.co/e/pscrb.fm/rss/p/traffic.libsyn.com/secure/humanperformanceoutliers/Ep.481_MarkDowdle_audio_complete.mp3?dest-id=685773","summary":"Mark Dowdle specializes in long multi-day and backyard ultramarathons. He shares his experience coming from a non-running background. We discuss what makes multi-day ultras and backyard ultras unique and how the variables impacting performance shift compared to shorter ultras and endurance events. Mark Dowdle: www.mark-dowdle.com | IG: @mark.dowdle | YT: @mark.dowdle Episode Sponsors: LMNT: https://drinkLMNT.com/HPO (free sample pack with purchase) deltaG: https://deltagketones.com Code: BITTER20 (20% Off) ProBio: https://www.probionutrition.com/endurance Code: Endurance (20% Off) Training Peaks: https://bit.ly/4bN041t Code HPOPOD (free 14-day trial) Endurance Training Simplified Series: https://zachbitter.com/endurance-training-series Support HPO: Website: https://zachbitter.com/hpo Patreon: https://patreon.com/HPOpodcast Coaching: https://zachbitter.com/coaching Zach's Newsletter: https://substack.com/@zachbitter","meta_description":"Mark Dowdle specializes in long multi-day and backyard ultramarathons. He shares his experience coming from a non-running background. We discuss what make…","key_points":[],"chapters":[],"topics":[],"duration_seconds":5451,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/human-performance-outliers-podcast-with-zach-bitter-65527/episodes/episode-481-multi-day-backyard-ultras-mark-dowdle/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/human-performance-outliers-podcast-with-zach-bitter-65527/episode-481-multi-day-backyard-ultras-mark-dowdle.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}