Riding through the hollowed-out area of the wave formed as the curl arcs out and down into the trough; regarded since the late 1950s as the ultimate surfing maneuver. Only a small percentage of waves are both hollow and well-shaped, and the infrequency of what are called "makeable" tubes is one reason why tuberiding is among the most difficult surfing maneuvers; it's been estimated that less than 5% of surfers worldwide can consistently place themselves inside the tube.

Most tuberides last l...