It’s impossible to tell.
scosche 24 monitor
You’ll need to use a heart rate monitor with a chest strap. It’s pointless to do a drift test without one. Wrist monitors are too inaccurate and imprecise for proper endurance training.
do not have fancy graph to post
You can sign up for a free Training Peaks account. Once the test is uploaded to your account, make the workout public and post a link to it in this thread.
180-55 is 125
The MAF method is a different method. It has no direct connection to the drift test.