Fit File Forge
ChatGPT pluginYour training, analyzed
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.
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Movement
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Rank in Data & analytics
4 listing changes logged · latest Oct 30: Capabilities, Version, One-liner. See what changed
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Data & analytics266th of 650 by placement
| # | Plugin | Position | 7d |
|---|---|---|---|
| 264 | #5168 | 82places down | |
| 265 | #5185 | 119places up | |
| 266 | #5270 | 64places up | |
| 267 | #5305 | 296places up | |
| 268 | #5350 | 73places down |
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Example prompts
- “Analyze my latest workout in detail.”
- “Am I getting fitter? Show my last 12 weeks.”
- “Build me 6 × 800 m at 5K pace for Thursday.”
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.
- Categories
- Made by
- Forge Labs LLC · Website
- Sign-in
- On Install
- Capabilities
- Analyze a training session in detail, Track fitness, fatigue and training load, Predict race times and best efforts, Show your training calendar, Build structured workouts from plain language, Send workouts to your Garmin watch when you ask
- Availability
- Available
- Version
- 1.2.0
- Keywords
- running, cycling, triathlon, swimming, training, garmin, workouts, endurance
- Created
- October 6, 2026
- More info
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