Training for a Marathon with an AI Coach: What Worked and What Didn’tBy helsinkiandrew / April 11, 2026 Article URL: https://www.bloomberg.com/news/features/2026-04-10/training-for-a-marathon-with-an-ai-coach-what-worked-and-what-didn-t Comments URL: https://news.ycombinator.com/item?id=47729097 Points: 1 # Comments: 0