Sextant https://sextant.run/blog/ Notes on running data, honestly measured — from the maker of Sextant. en Thu, 16 Jul 2026 07:13:57 GMT How much of my summer slowdown was just the heat? https://sextant.run/blog/heat-or-fitness/ https://sextant.run/blog/heat-or-fitness/ Wed, 01 Jul 2026 12:00:00 GMT Working summary, your words: the question that started as curiosity about my spring vs summer data.