# Fit File Forge (ChatGPT App)

> Your training, analysed

- Type: app
- Publisher: Forge Labs LLC
- Categories: Data & Analytics
- Website: https://chatgpt.com/plugins/plugin_asdk_app_6ac4370294108191bd78786b8081ccf6
- Open in ChatGPT: https://chatgpt.com/plugins/plugin_asdk_app_6ac4370294108191bd78786b8081ccf6
- Version: 1.0.0
- Listed: 2026-10-15

## About

Fit File Forge connects ChatGPT to your endurance training. Ask how a session went and get a detailed analysis from your real data: pacing and splits, heart rate and power, climbing, time in zones and a chart of the whole session. Ask whether your fitness is building, how fatigued you are, or what time is realistic for your next 5K, half or marathon. Describe a workout in plain words ("6 × 800 m at 5K pace on Thursday") and Fit File Forge builds a valid structured Garmin workout, shows it, and sends it to your watch only when you ask.

For runners, cyclists, swimmers and triathletes who train with a Garmin watch and use Fit File Forge (fitfileforge.com). You sign in with your Fit File Forge account; activity data needs Garmin Connect linked in Fit File Forge with activity sharing on.

What it never shares: GPS locations or routes, original activity files, or health data such as sleep or HRV (Fit File Forge doesn't collect it). You choose what ChatGPT may see and do when you connect, and you can disconnect at any time. Training information only, not medical advice.

## How to use

1. **Add it in ChatGPT** Open Fit File Forge in ChatGPT's Plugin directory (button above), select + to add it and sign in if asked.

2. **Use it in a chat** Type @ in the composer and pick Fit File Forge, or start your message with its name. ChatGPT may also suggest it when it fits what you ask.

## Skills

- **plan-week**: Plan or adjust a training week and put the workouts on the athlete's Garmin watch with Fit File Forge. Use when the user asks for next week's plan, a race block, to rearrange or catch up after missed sessions, or to send workouts to their watch.
- **training-debrief**: Debrief a training session or recent block from the athlete's Fit File Forge data. Use when the user asks how a run, ride, swim or workout went, whether they hit their reps or targets, why heart rate was high, or how a session compares with similar ones.

## Example prompts

- "Analyse my latest workout in detail."
- "Am I getting fitter? Show my last 12 weeks."
- "Build me 6 × 800 m at 5K pace for Thursday."

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Source: https://chatgptplugins.directory/apps/fit-file-forge · Index: https://chatgptplugins.directory/llms.txt · Independent and community-run. Not affiliated with or endorsed by OpenAI. ChatGPT is a trademark of OpenAI.