Personally I'd call over 2 minutes a big more than longish, but honestly I'm not complaining when stuff is this good.
Amazing stuff from Jack N! If you've somehow missed this guy's videos before, he's probably the undisputed king of nollie heelflip grinds. And just about every other trick too for that matter, soo much effortless style goes down here! Go watch.
Go check Jack's channel here :)