records... right now it's some over 328 feet swimming down and up, and actually herbert nitsch from austria has done 357 feet... called constant ballast.. and 600' for riding a sled down and coming up with a balloon.. called no limits.. record breath hold is 9min. or a few seconds more.
for the average person, if you can equalize your ears easily and quickly, a dive to 60' should be easily attainable the first few times out if you have someone who is experienced in freediving helping you. I believe the number of people getting beyond 100' is still quite small but growing rapidly all the time as the sport is getting more and more exposure. Same with breath holds over 4minutes.. that is also getting more and more common in the freediving circles.
Freediving isn't so much about holding your breath.. as it is about being able to equalize.. a dive to 100' down and right back can be done in just over a minute.. I do it in 1:10 - !:15.. and a touch and go dive to 60' is only a 40 second or so deal. Now herberts dive to 357 feet was done in like 3min 40 some seconds I believe.. or there abouts. It's also about being able to do physical activity on a breath hold.. but like most sports.. you train for it.