The achieved glide of 30 is over the required glide of 25.

XCSoar – Calculating Final Glide

There are two main ways to calculate if you have reached a safe final glide. MacCready Theory – this requires many inputs, including your glider’s performance polar, your MacCready setting, wind info, how much water ballast is onboard, etc Required Glide Ratio – this is a pure geometric calculation using your height and distance to the finish point. […]