<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Writing by Mauro Castillo, MD</title><link>https://maurocastillomd.com/writing</link><description>Sports science, strength and conditioning, and applied AI.</description><language>en-us</language><atom:link href="https://maurocastillomd.com/rss.xml" rel="self" type="application/rss+xml"/><item><title>Build or Buy: Should You Build Your Own Performance Tool?</title><link>https://maurocastillomd.com/writing/build-or-buy-performance-tools</link><guid isPermaLink="true">https://maurocastillomd.com/writing/build-or-buy-performance-tools</guid><description>AI coding agents made building cheap. Before building a performance tool, audit what your platform already does, who maintains the result, and which part is genuinely missing.</description><pubDate>Fri, 18 Sep 2026 00:00:00 GMT</pubDate></item><item><title>Athlete Monitoring: How to Turn Data Into Useful Decisions</title><link>https://maurocastillomd.com/writing/athlete-monitoring-data-to-decisions</link><guid isPermaLink="true">https://maurocastillomd.com/writing/athlete-monitoring-data-to-decisions</guid><description>Give athlete-monitoring data a clear purpose. Define each metric, separate observations from interpretations, and assign a responsible person to every flag.</description><pubDate>Wed, 16 Sep 2026 00:00:00 GMT</pubDate></item><item><title>Athlete Profiles: How to Interpret AI Scores and Coaching Preferences</title><link>https://maurocastillomd.com/writing/athlete-profiles-ai-coaching-decisions</link><guid isPermaLink="true">https://maurocastillomd.com/writing/athlete-profiles-ai-coaching-decisions</guid><description>Use athlete profiles with context. Learn what AI talent scores, wearable data, and coaching preferences can—and cannot—tell performance staff.</description><pubDate>Wed, 16 Sep 2026 00:00:00 GMT</pubDate></item><item><title>Athlete Wellness Questionnaires: What Should Happen After Submission?</title><link>https://maurocastillomd.com/writing/athlete-wellness-questionnaire-follow-up</link><guid isPermaLink="true">https://maurocastillomd.com/writing/athlete-wellness-questionnaire-follow-up</guid><description>A practical follow-up process for athlete wellness questionnaires: clarify ownership, interpret responses in context, close handoffs, and explain the next step.</description><pubDate>Wed, 16 Sep 2026 00:00:00 GMT</pubDate></item><item><title>How to Evaluate Sports Performance Technology Before You Adopt It</title><link>https://maurocastillomd.com/writing/evaluate-sports-performance-technology</link><guid isPermaLink="true">https://maurocastillomd.com/writing/evaluate-sports-performance-technology</guid><description>A practical framework for evaluating sports performance technology: define the benefit, compare alternatives, test the workflow, and account for staff time.</description><pubDate>Wed, 16 Sep 2026 00:00:00 GMT</pubDate></item><item><title>The morning scramble</title><link>https://maurocastillomd.com/writing/the-morning-scramble</link><guid isPermaLink="true">https://maurocastillomd.com/writing/the-morning-scramble</guid><description>A working concept for AI-assisted athlete monitoring: combine performance data into a morning brief, keep calculations in code, and leave decisions with staff.</description><pubDate>Mon, 06 Jul 2026 00:00:00 GMT</pubDate></item></channel></rss>