AI workout tracker for lifting, running, sports, and everything between

Describe your workout.
Get a complete log in 30 seconds.

After you train, type or say what you did. LogFast structures the details, learns your defaults, tracks your goals, and helps you decide what to do next.

Try it free — log a workout

No credit card. Nothing to configure before your first log.

An athlete reviewing a workout log after training, with running shoes and lifting straps nearby

Finish the workout. Capture what mattered. Use it next time.

You describe the workout after training

“Upper body. Same bench sets, added 5 lb. Skipped rows. Press felt easy.”

Bench press

3 × 10 · 140 lb

Overhead press

2 × 8 · 50 lb

6 details filled from your history · you approve before saving

Say what changed. We fill in the rest.

Get a complete workout log from a short note.

LogFast compares your note with recent workouts. If you say “same bench sets, five pounds heavier,” it can reuse the previous sets and reps while updating the weight.

Log with text or voice after training

See exactly which details came from history

Correct the result before it enters your record

Review

Upper body

Bench press3 × 10 · 140 lb

Overhead press2 × 8 · 50 lb

Barbell rowSkipped

What you get from keeping the record

Faster logging now. Better training answers later.

Stop rebuilding the same workout

LogFast reuses exercise names, sets, reps, and weights from recent sessions when your note clearly refers to them.

See whether your training is moving

Your completed logs become working-set, volume, exercise-frequency, and strength-change views automatically.

Build context a generic chatbot lacks

Your actual workout record can ground future recommendations about progression, recovery, exercise balance, and what to do next.

Keep the final say

LogFast shows its interpretation before saving. You can correct inferred details instead of accepting a black-box result.

How it works

Describe the workout

Type or speak naturally after you finish. No routine setup required.

Review the structured log

Check exercises, sets, reps, and loads. Fix anything before saving.

Use the history

See volume and strength trends while future entries inherit useful defaults.

Train with better context

Useful before you ever make an account.

The same ideas that inform LogFast’s coach are available here for free: transparent calculations, evidence-aware guides, and practical ways to build a training history.