# #172 Howard Calvert: 2:29 marathoner at 47 and using ultras as training Page: https://stenobird.com/podcast/the-marathon-podcast-7264818/172-howard-calvert-2-29-marathoner-at-47-and-using-ultras-as-training Text version: https://stenobird.com/podcast/the-marathon-podcast-7264818/172-howard-calvert-2-29-marathoner-at-47-and-using-ultras-as-training.md Podcast: [The Marathon Podcast](https://stenobird.com/podcast/the-marathon-podcast-7264818) Published: 2026-05-29T03:00:00+00:00 Episode link: https://share.transistor.fm/s/63b5c30e Audio file: https://prfx.byspotify.com/e/media.transistor.fm/63b5c30e/5247d492.mp3 Processing state: not_requested JSON: https://stenobird.com/v1/public/podcasts/the-marathon-podcast-7264818/episodes/172-howard-calvert-2-29-marathoner-at-47-and-using-ultras-as-training Duration seconds: 4350 ## Resource 20% off STRAVA annual subscription with code "KRISTIAN" Get Athyx and 10% off with the code MARATHON10: https://athyx.com/ Get a discount on FlexBeam by using the link below or use discount code "WARWICKRUNS": https://rechargehealthas.sjv.io/55GAPb Welcome back to The Marathon Podcast. On this episode we have Howard Calvert on. He ran a sub-2:30 marathon in London this year, and he has a bit of an unconventional training approach. Want to connect with, or be coached by Howard? See links below: loopedruncoaching.com @loopedruncoaching Full video + the Boston 2025 documentary: / @warwickruns Follow Kristian's journey on Instagram: @warwick.runs ## Actions - request_transcript: `POST https://stenobird.com/v1/public/podcasts/the-marathon-podcast-7264818/episodes/172-howard-calvert-2-29-marathoner-at-47-and-using-ultras-as-training/transcription-requests` — Idempotently request low-priority transcript generation for this episode. - read_markdown: `GET https://stenobird.com/podcast/the-marathon-podcast-7264818/172-howard-calvert-2-29-marathoner-at-47-and-using-ultras-as-training.md` — Read the agent-friendly Markdown representation of this episode resource. A page view does not enqueue transcription. Agents should invoke `request_transcript` explicitly when they need this episode processed. ## Transcript Full transcripts are not published on public pages unless there is a clear rights basis.