Description
Description Transform training prescriptions into perfectly formatted Intervals.icu workouts using AI. This workflow automatically converts free-text workout descriptions into structured interval training sessions with proper heart rate zones, pace calculations, and exercise formatting. What this workflow does Collects workout details via a web form (date, title, and workout description) Fetches athlete data from Intervals.icu (FTP, max HR, threshold pace, LTHR) Processes with AI using Claude Opus 4.1 to intelligently parse and format the workout Auto-detects workout type (Run, Ride, Strength, HYROX, CrossFit, etc.) Converts training zones - RPE → HR%, pace calculations, power zones Formats workout structure with proper transitions, rest periods, circuit formatting Creates the workout in Intervals.icu via API Use cases Coaches**: Convert training plans from documents/spreadsheets into Intervals.icu format Athletes**: Quickly add structured workouts from coaching apps or training programs Hybrid training**: Handle complex HYROX, CrossFit, or multi-sport sessions with circuit formatting Time savings**: Eliminate manual workout entry and zone calculations Supported workout types Running, cycling, swimming, strength training, HYROX, CrossFit, indoor rowing, virtual training (Zwift), triathlon, and more. Key features ✅ Intelligent workout type detection ✅ Automatic RPE to HR zone conversion using athlete-specific data ✅ Proper formatting for intervals, circuits, supersets, and progressions ✅ Adds transitions between exercises/machines ✅ Calculates exercise durations and pacing ✅ Handles warmup/cooldown sections ✅ Generates unique workout IDs Setup requirements Intervals.icu account** with API access (API key required) Anthropic API key** for Claude AI Athlete must have training zones configured in Intervals.icu (FTP, max HR, LTHR, threshold pace) Setup instructions Getting your Intervals.icu API key Log in to Intervals.icu Go to Settings (gear icon) → Developer Settings Click Generate API Key (or copy your existing key) Save the API key securely Configuring credentials in n8n For Intervals.icu (HTTP Basic Auth): In n8n, open the GetAthleteInfo or CreateWorkoutAPI node Click on Credentials → Create New Credential Select HTTP Basic Auth Enter: Username: API_KEY (literally type "API_KEY") Password: Your actual API key from Intervals.icu Click Save Apply this credential to both HTTP Request nodes For Anthropic: Open the Anthropic Chat Model node Click on Credentials → Create New Credential Enter your Anthropic API key Click Save Important: The Intervals.icu API uses HTTP Basic Authentication where the username is always the literal string "API_KEY" and the password is your actual API key. How it works The workflow uses a sophisticated AI agent with a detailed system prompt that understands training terminology, zones, and Intervals.icu formatting requirements. It applies sport-specific rules to ensure workouts are properly structured for tracking during training sessions. An n8n automation workflow template by Martijn Kerver.
Martijn Kerver
web
free
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