# Post-Race Analysis

Once a tracking session has ended, eStela offers tools to help you analyze the race and review boat performance in detail. These tools are especially useful for debriefs, race committee reports, and team feedback.

### Time Table

Each tracking session includes a Time Table that shows all mark crossings by each boat in a structured table format.

You can:

* View times as:
  * Absolute time
  * Delta time (compared to the first boat)
  * Elapsed time (since start)
* Print the table or download it as a CSV for further analysis or archiving.

### Boat’s Performance and Leg Analysis

From the Time Table, you can access:

* Boat’s Performance – shows performance metrics per boat, grouped by leg
* Leg Analysis – compares all boats on the same leg

These views include data such as:

* Distance sailed
* Average VMG (Velocity Made Good)
* Efficiency ratio, calculated as: Average VMG / Average Speed

These metrics give a clear picture of how efficiently each boat sailed through different sections of the course.

### What’s Required for Analysis

To generate accurate post-race insights, make sure your session meets the following:

1. At least one boat tracked
2. A complete course configuration This is essential to detect buoy roundings. After the session, you can fine-tune buoy positions based on the recorded tracks.
3. A valid race start time
4. At least one wind data entry

Without these elements, timing and performance calculations may be incomplete or unavailable.


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