# G61 Lap Analysis

> Import a Garage61 lap into Braking Lab, review braking zones, and turn them into guided practice exercises.

**G61 Lap Analysis** lets you pull a real telemetry lap from [Garage61](https://garage61.net) and transform it into targeted practice exercises. It lives as a **tab inside Telemetry**, alongside Sessions, Braking Zones, Scoreboard and Coaching Reports.

Navigate to it via **Telemetry → G61 Lap Analysis**. The legacy route `/analyze` redirects here preserving any query params.

## Why a dedicated tab

Garage61 provides high-quality telemetry CSVs for almost any public lap across iRacing and other sims. Importing one into Braking Lab lets you:

- **See your braking zones** with entry/exit speeds, peak brake pressure and a trail-braking score per corner.
- **Generate practice exercises** automatically — one per zone, plus a full-lap sequence with corner markers and rest periods.
- **Train the exact corners that lose you time**, with the same brake-curve shape you recorded.

You don't need to be the driver of the lap — any public Garage61 lap works, including reference laps from top alien drivers.

## Importing a lap

1. Open the lap page on [garage61.net](https://garage61.net) (requires a Garage61 account).
2. Download the telemetry **CSV** file.
3. In Braking Lab, go to **Telemetry → G61 Lap Analysis**.
4. Drag and drop the CSV into the drop zone, or click to browse.
5. Wait a couple of seconds — Braking Lab parses the CSV, detects braking zones and renders the analysis.

## What the analysis shows

### Expandable Track Map

Your racing line plotted on the track outline, colour-coded by speed or brake pressure. Corner key points are annotated:

| Marker | Meaning |
|--------|---------|
| Red | Braking reference |
| Amber | Turn-in point |
| Purple | Max rotation / apex |
| Green | Exit |

Markers sit outside the corner with dotted lines to the exact track position so they stay readable at any zoom. Toggle visibility and pan/zoom to inspect details.

### Braking zones list

Every detected zone is listed with:

- **Peak brake pressure** (% of maximum)
- **Entry speed** and **exit speed**
- **Trail-braking score** — 70% release smoothness + 30% peak hold duration

Click a zone in the chart or list to highlight it across views.

### Per-corner notes

After saving a lap, click the post-it icon on any zone to record your visual references: brake marker, turn-in point, max speed/RPM, rotation point, trail-braking technique, throttle reference. A yellow icon flags zones that already have notes.

## From analysis to practice

Click **Save & Create Exercises** to:

1. Store the lap in your account.
2. Generate **one exercise per braking zone** — brake curves downsampled to 10 samples/sec.
3. Generate a **full-lap exercise** that strings the zones together with corner markers and rest periods.

You are then redirected to **Free Practice** (sign-in required) where the newly created exercises wait in your Custom Exercises list. Attach your pedals and start training with real-time audio and visual feedback.

The import button in the tab header changes to **Import Another Lap** — use it to queue more laps without leaving the tab.

## Tips

- **Save only the laps you want to practise** — lap storage is limited by your plan tier (see `Settings → Account`).
- **Public Garage61 laps work too** — you don't need to own the lap to analyse it.
- **Pair with Track Notepad** — the per-zone notes you take here complement the corner notes in Track Notepad for the same track/car combo.
- **Legacy URL**: `/analyze` redirects to `/desktop-telemetry?tab=lap-analysis`; the deep-link with query param works for sharing.

## Related

- [Sessions & Laps](/en/docs/telemetry/sessions-laps) — browse captured sessions from the Braking Lab desktop client.
- [Braking Zones](/en/docs/telemetry/braking-zones) — how braking zones are detected and scored.
- [Pitwall](/en/docs/features/pitwall) — where you see upcoming races and Race Prep wizard to practise before the event.