# HYBRD - World-Class Coaching in Your Pocket > HYBRD is a coach in your pocket for athletes. Brain combines world-class training plans with your schedule, goals, progress, recovery, travel, and injuries to adapt coaching whenever life changes. Miss a workout, tweak an Achilles, or add a game, and Brain rebuilds the plan instead of asking you to catch up. HYBRD works on iPhone with or without a wearable and brings your workout data into one coaching experience. ## Site Information - **Domain**: https://www.hybrd.com - **Last Updated**: 2026-10-22 ## Main Pages ### Home - **URL**: https://www.hybrd.com/ - **Description**: Main landing page: connect the AI you already use to your real training history, plan, and devices through HYBRD's MCP server. One paste, about 30 seconds, no install. Also covers how the loop works, the app itself, proof, and FAQ ### Blog - **URL**: https://www.hybrd.com/blog - **Description**: Collection of training tips, hybrid athlete insights, and educational content about strength and endurance training ### Team - **URL**: https://www.hybrd.com/team - **Description**: Meet the HYBRD founders and team members who are building the platform ### Support - **URL**: https://www.hybrd.com/support - **Description**: Customer support resources and help center for HYBRD users ### MCP setup - **URL**: https://www.hybrd.com/mcp - **Description**: Connect ChatGPT, Claude, or another compatible AI to manage your workouts and connected fitness integrations, then execute your plan in HYBRD with automatic pace and weight progression ### HYBRD MCP setup skill - **URL**: https://www.hybrd.com/resources/mcp-setup/skill.md - **Description**: Step-by-step instructions for AI agents (Codex, Claude Code, Cursor, VS Code) to add the HYBRD remote MCP server, complete OAuth, confirm subscription, and summarize last workouts ### MCP tools - **URL**: https://www.hybrd.com/docs/tools - **Description**: Agent markdown for HYBRD MCP tools and scopes. Live tool names also come from tools/list after sign-in ### OpenAPI - **URL**: https://www.hybrd.com/openapi.json - **Description**: OpenAPI 3.1 specification for the unauthenticated /api/public content API (site identity, pages, posts, FAQ) ### Resources - Workout Club - **URL**: https://www.hybrd.com/resources/workout-club - **Description**: Community resources and workout club information for HYBRD athletes ## Legal Pages ### Privacy Policy - **URL**: https://www.hybrd.com/privacy - **Description**: HYBRD's privacy policy detailing how user data is collected, used, and protected ### Terms of Service - **URL**: https://www.hybrd.com/terms - **Description**: Terms and conditions for using the HYBRD platform and services ### Account Deletion - **URL**: https://www.hybrd.com/account-deletion - **Description**: Instructions and process for deleting a HYBRD account ## Frequently Asked Questions ### How is HYBRD different from asking ChatGPT for a training plan? The difference is what happens after the plan is generated. Through HYBRD's MCP server, your preferred AI can create and update structured workouts directly in HYBRD. HYBRD then puts them on your calendar and supported devices, reads the training you complete, and automatically progresses the prescribed paces and weights as you get fitter. It also keeps your training history, injuries, PRs, and schedule connected between conversations. ### Can I train for a marathon and get stronger at the same time? That is exactly what HYBRD is built for. Tell Brain you want a sub-4 hour marathon and bench 225lbs and it builds one plan that sequences both, instead of two plans competing for the same recovery. ### Do I need a wearable to use HYBRD? No. HYBRD works from your phone on its own, with it's own running and lifting logging experiences. HYBRD integrates with any wearable that you have, including Garmin, Whoop, Oura, Coros, Apple Watch, etc and uses that data to set your paces and manage your training load. Workouts are also pushed to your device so it's easy to follow the workouts ### What happens if I miss a week of training? HYBRD Brain rebuilds the plan forward from where you actually are instead of asking you to catch up on what you missed. Miss three sessions on a work trip and the next block accounts for it. ### Can I import my training history and preferences from ChatGPT or Claude? Yes. If you have been planning your training with ChatGPT, Claude or Gemini, ask it to summarise your goals, preferences, injuries and recent training, then paste that into Brain. It starts from the context you already built instead of a blank slate. The same works for an old coach's notes, or anything else you can copy as text. More: https://www.hybrd.com/import-memory ## Product HYBRD is a coach in your pocket for athletes. Brain combines world-class training plans with your schedule, goals, progress, recovery, travel, and injuries to adapt coaching whenever life changes. Miss a workout, tweak an Achilles, or add a game, and Brain rebuilds the plan instead of asking you to catch up. HYBRD works on iPhone with or without a wearable and brings your workout data into one coaching experience. > “A private coach on call 24/7.” ### Features - **One plan built around your goals**: Tell Brain what you want to achieve and when you can train. It builds a plan around your goals and schedule, whether that means a marathon and a stronger bench, a HYROX race, or simply making consistent progress. - **Adaptive replanning**: Miss three sessions on a work trip, tweak an Achilles, or add soccer twice a week, and Brain rebuilds the block from where you actually are instead of asking you to catch up on a perfect plan. - **World-class programming**: Athletes follow programs from elite coaches including Alex Viada, author of The Hybrid Athlete, scaled to their fitness level and personalized to their goals. - **Workouts on the watch you already wear**: Sessions, weights, and paces go to Garmin, Apple Watch, Coros, and other devices you already use, so the plan is in front of you when you train. - **Coaching from what you did**: HYBRD imports completed sessions and historical data from Garmin, WHOOP, Apple Health, Wahoo, and more, so Brain knows where you actually are — not where a spreadsheet assumes you should be. - **Log the way you already train**: Wearables cover cardio. For strength, type the session, upload a whiteboard photo, or drop in a screenshot from another app. Brain parses it into the plan. - **Works without a wearable**: Log runs and lifts from iPhone. A watch is optional. If you have one, HYBRD uses it; if you do not, the plan still runs. - **Import existing coaching context**: Paste goals, injuries, preferences, and recent training from ChatGPT, Claude, Gemini, or an old coach. Brain starts from that context instead of a blank slate. ### Integrations - Garmin - Oura - Fitbit - WHOOP - Strava - Zepp - Coros - Polar - Zwift - TrainingPeaks - Suunto - Wahoo - Ultrahuman - Rouvy - TrainerRoad - Concept2 - Hevy - Catapult One - StrongLifts - Strong - Fitbod - Apple Health Download: https://apps.apple.com/us/app/hybrd-get-faster-stronger/id6670271875 ## Press - **Fitt Insider**: https://insider.fitt.co/press-release/hybrd-launches-hybrd-brain-an-ai-coach-that-adapts-training-plans-to-real-life/ - **Athletech News**: https://athletechnews.com/hybrd-app-launches-to-support-athletes-training-across-disciplines/ - **Y Combinator launch**: https://www.ycombinator.com/launches/QAV-hybrd-agentic-coaching-for-athletes ## Blog Posts ### How to Connect All of Your Wearables to ChatGPT or Claude - **URL**: https://www.hybrd.com/blog/connect-wearables-to-chatgpt-or-claude - **Published**: 2026-09-03 - **Author**: The HYBRD Team - **Tags**: wearables, AI, ChatGPT, Claude, training data - **Summary**: Your training data is scattered across devices and apps. Here is how to bring it together so ChatGPT or Claude can actually use it. ### Your Whole Training History, Backfilled Automatically - **URL**: https://www.hybrd.com/blog/training-history-backfill - **Published**: 2026-08-18 - **Author**: The HYBRD Team - **Tags**: integrations, data import, apple health, garmin, training history - **Summary**: Switching training apps normally means starting from an empty calendar. HYBRD imports the history you already recorded, so your first week in the app is not your first week of data. ### Log 10x Faster Than You Used To - **URL**: https://www.hybrd.com/blog/ai-workout-logger - **Published**: 2026-07-28 - **Author**: The HYBRD Team - **Tags**: workout logging, AI logger, strength training, tracking - **Summary**: Tapping through set-by-set entry is why most people stop logging their lifts. The HYBRD AI Logger takes a sentence, or a photo of your notebook, and turns it into a structured workout. ### Training Score: How to Read Your Cardio and Strength Load - **URL**: https://www.hybrd.com/blog/training-score-explained - **Published**: 2026-07-07 - **Author**: The HYBRD Team - **Tags**: training load, training score, recovery, acute chronic ratio, hybrid athlete - **Summary**: Your Training Score is six weeks of accumulated training load, split into cardio and muscular. Here is what the number means, what the green band on Training State is for, and when to act on either. ### How to Structure 5 Training Days a Week as a Hybrid Athlete - **URL**: https://www.hybrd.com/blog/five-day-split-hybrid-athlete - **Published**: 2026-06-24 - **Author**: The HYBRD Team - **Tags**: hybrid athlete, 5 day split, concurrent training, interference effect, strength and endurance - **Summary**: The best 5 day hybrid split depends on your goal. Two example weeks, one strength priority and one cardio priority, both built to dodge the interference effect. ### How to Add Strength Training to Your Ironman 70.3 Plan - **URL**: https://www.hybrd.com/blog/strength-training-ironman-70-3 - **Published**: 2026-06-08 - **Author**: The HYBRD Team - **Tags**: ironman 70.3, strength training, triathlon, concurrent training, interference effect - **Summary**: In a 70.3 build, lifting shifts from building strength to maintaining it. Here is how to keep your strength on two short sessions a week without blunting your swim, bike, and run. ### How to Structure 4 Training Days a Week as a Hybrid Athlete - **URL**: https://www.hybrd.com/blog/four-day-split-hybrid-athlete - **Published**: 2026-06-03 - **Author**: The HYBRD Team - **Tags**: hybrid athlete, 4 day split, speed training, concurrent training, strength and endurance - **Summary**: A 4 day, 45 minute training week can build real strength and running speed at the same time. Here is the optimal structure and the one ordering rule that makes it work. ### How to Structure 3 Training Days a Week as a Hybrid Athlete - **URL**: https://www.hybrd.com/blog/three-day-split-hybrid-athlete - **Published**: 2026-06-02 - **Author**: The HYBRD Team - **Tags**: hybrid athlete, 3 day split, full body training, concurrent training, strength and endurance - **Summary**: Three days a week is enough to make real progress as a hybrid athlete if you pick one priority. Here are three full-body structures for strength, endurance, or balance. ### How to Balance Running and Lifting: Weekly Schedules for 3 to 7 Days - **URL**: https://www.hybrd.com/blog/how-to-balance-running-and-lifting - **Published**: 2026-06-01 - **Author**: The HYBRD Team - **Tags**: hybrid training, running, strength training, interference effect, weekly schedule - **Summary**: Sample weekly schedules for balancing running and lifting at 3, 4, 5, 6, and 7 days a week, built around recovery and the interference effect. ### What Does It Mean to Be a Hybrid Athlete? - **URL**: https://www.hybrd.com/blog/what-does-it-mean-to-be-a-hybrid-athlete - **Published**: 2026-05-28 - **Author**: The HYBRD Team - **Tags**: hybrid athlete, hybrid training, concurrent training, strength and endurance, training methodology - **Summary**: A hybrid athlete is anyone training to improve in both strength and cardio at the same time. The goal is overall performance, not a single max. ### How to Start Running as a Lifter Without Losing Muscle - **URL**: https://www.hybrd.com/blog/how-to-start-running-as-a-lifter - **Published**: 2026-05-27 - **Author**: The HYBRD Team - **Tags**: running, strength training, hybrid training, interference effect, beginner running - **Summary**: Most lifters quit running in two weeks. Here's how to add running to your lifting routine without losing muscle or wrecking your recovery. ### Which lifting split is best for a hybrid athlete? - **URL**: https://www.hybrd.com/blog/best-lifting-split-hybrid-athletes - **Published**: 2026-05-13 - **Author**: The HYBRD Team - **Tags**: hybrid athlete lifting split, concurrent training, hybrid training plan, strength and endurance - **Summary**: PPL is built for bodybuilders. For hybrid athletes who also run, upper/lower or full body splits work better. Here is how to pick the right one. ### Why Do Strength Athletes Need Zone 2 Training? - **URL**: https://www.hybrd.com/blog/zone-2-strength-athletes - **Published**: 2026-02-28 - **Author**: The HYBRD Team - **Tags**: zone 2, strength, cardio, concurrent training, recovery - **Summary**: Most strength athletes skip Zone 2 or replace it with HIIT. Here's why that's a mistake — and how to add it without killing your lifts. ### Should you lift before or after running? - **URL**: https://www.hybrd.com/blog/should-you-lift-before-or-after-running - **Published**: 2026-02-25 - **Author**: The HYBRD Team - **Tags**: strength training, running, interference effect, concurrent training, training order - **Summary**: Strength first if you're combining both in one session. But session order matters less than you think — here's what the research actually says. ### Why Is My Heart Rate Variability So High? Understanding HRV for Hybrid Training - **URL**: https://www.hybrd.com/blog/why-is-my-hrv-so-high - **Published**: 2026-02-24 - **Author**: The HYBRD Team - **Tags**: HRV, recovery, heart rate variability, hybrid athletes, training load - **Summary**: Your HRV reading changes daily, but what does it actually mean for hybrid athletes training strength and endurance concurrently? A practical guide to reading trends, not daily numbers. ### How Much Running Do You Actually Need to Maintain Endurance? - **URL**: https://www.hybrd.com/blog/how-much-running-to-maintain-endurance - **Published**: 2026-02-21 - **Author**: The HYBRD Team - **Tags**: endurance, running, VO2 max, maintenance, hybrid athletes - **Summary**: The fear of losing your aerobic base is overblown. Research shows VO2 max is maintained for months with surprisingly little work—if you keep the intensity high. ### Why Your Hardest Training Days Ruin Your Sleep - **URL**: https://www.hybrd.com/blog/why-hardest-training-days-ruin-sleep - **Published**: 2026-02-20 - **Author**: The HYBRD Team - **Tags**: sleep, recovery, cortisol, hybrid athletes, training load - **Summary**: Post-workout insomnia is a physiological response hybrid athletes trigger more often than single-sport trainees. Understanding the sympathetic hangover, cortisol timing, and core temperature explains why—and how to fix it. ### The "Did I Even Work Out?" Problem That Most Apps Ignore - **URL**: https://www.hybrd.com/blog/did-i-even-work-out - **Published**: 2026-02-19 - **Author**: The HYBRD Team - **Tags**: training load, data, strength, recovery, hybrid athletes - **Summary**: Most training apps measure cardiovascular load and call it done. For hybrid athletes, that's only half the story. Here's why the feedback loop is broken—and how to fix it. ### HYBRD vs Runna: Which Training App Is Right for Your Goals? - **URL**: https://www.hybrd.com/blog/hybrd-vs-runna - **Published**: 2026-02-18 - **Author**: The HYBRD Team - **Tags**: comparison, training, strength, running, personalization - **Summary**: Runna is a great app for runners. But if your training week includes both a deadlift session and a tempo run, HYBRD was built for you. Here's how the two apps compare. ### Should you be doing Zone 2 as a hybrid athlete? - **URL**: https://www.hybrd.com/blog/zone-2-training-hybrid-athletes - **Published**: 2025-03-06 - **Author**: Ben Katz - **Tags**: zone 2, cardio, endurance, training - **Summary**: Zone 2 training is everywhere. But is it actually worth your time as a hybrid athlete? We break down Zone 2 and the benefits for hybrid athletes. ### How should I calculate my heart rate zones? - **URL**: https://www.hybrd.com/blog/calculate-heart-rate-zones - **Published**: 2025-02-27 - **Author**: Ben Katz - **Tags**: heart rate, zone 2, training, cardio - **Summary**: Heart rate zone training is widely used, but many athletes don't fully understand it. We break down the three main ways to determine your heart rate zones. ### Progressive Overload for Hybrid Athletes - **URL**: https://www.hybrd.com/blog/progressive-overload-hybrid-athletes - **Published**: 2025-01-29 - **Author**: Ben Katz - **Tags**: training, progressive overload, strength, endurance - **Summary**: For hybrid athletes to achieve peak performance in both strength and endurance, it's less about doing more and more about doing it strategically. Learn how progressive overload works. ### How to Structure a Training Plan to Beat Your Personal Best - **URL**: https://www.hybrd.com/blog/structure-training-plan-periodization - **Published**: 2025-01-03 - **Author**: Ben Katz & Mats Terwiesch - **Tags**: training, periodization, planning, racing - **Summary**: For hybrid athletes, juggling strength and endurance requires more than just showing up and training hard—it demands strategic planning. Learn the art of periodization. ### The Future of Fitness is Open - **URL**: https://www.hybrd.com/blog/future-fitness-open-ecosystem - **Published**: 2024-11-20 - **Author**: Mats Terwiesch - **Tags**: technology, data, ecosystem, future - **Summary**: The future of fitness technology is a connected ecosystem where the data is owned by the athlete. This is core to what we are building at HYBRD. ### Does cardio kill your gains? - **URL**: https://www.hybrd.com/blog/does-cardio-kill-gains - **Published**: 2024-09-05 - **Author**: Mats Terwiesch - **Tags**: cardio, strength, interference effect, training - **Summary**: Doing cardio will kill your gains—or will it? Learn about the interference effect and how to avoid it to progress faster as a hybrid athlete. ## Key Topics & Expertise ### Training Methodology - Progressive overload principles - Periodization and training phases - Concurrent training (strength + endurance) - Heart rate zone training - Zone 2 aerobic base building - Interference effect mitigation ### Hybrid Athlete Focus - Balancing strength and cardio training - Training for HYROX competitions - Marathon and endurance event preparation - CrossFit and functional fitness - Multi-sport athlete programming ### Technology & Data - Open fitness data ecosystem - Wearable device integrations - Fitness data ownership - Training plan personalization - Workout tracking and logging ### Recovery & Performance - Deload weeks and recovery protocols - Nutrition for concurrent training - VO2 max improvement - Mitochondrial efficiency - Lactate threshold training ## Target Audience HYBRD serves hybrid athletes who: - Train in both strength and endurance disciplines - Compete in events like HYROX, marathons, triathlons, CrossFit - Want to avoid the interference effect - Need structured, personalized training plans - Value data-driven approaches to fitness - Want to integrate multiple fitness devices and data sources