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Question Setting personal best

Thread Status: Hello , There was no answer in this thread for more than 60 days.
It can take a long time to get an up-to-date response or contact with relevant users.


New Member
Feb 9, 2020
Hi all I have recently decided to start freediving training (after snorkelling/diving shallow reefs for around 20 years). So I downloaded an app for CO² and O² tables. I set my personal best and the app created tables for me, and I thought I was set.

However, when doing the tables I had no contractions. I had not hyperventilated (only 1 big breath before the hold).

So I was thinking PB was set incorrectly. I had about 10 contractions before I stopped. Is this correct? Or should I hold it until I literally can't take anymore?

You didn’t say how long you held it for. Hold on as long as you can. Some people have very few contractions and onset of them is late. Others have many early on. I think you will also find if you want to get a baseline PB do it on the 3rd try as you increase each hold from the 1st to the 3rd.
Ohh okay understood. I held it for 2 minutes. Could hold it longer if I fought through the contractions. Will try again for a new PB and try it 3 times as you said. Thanks for the advice