Jousting is a medieval sport where two horsemen attempt to hit each other with blunted lances while riding towards each other at high speed. Popular in the Middle Ages, the sport declined in popularity as equestrian sports less likely to result in contestants' deaths were developed. One can understand the attraction, though: How better to release anger than by replicating a heavy calvary charge?
Dude on the left has more style, but dude on the right is clearly better at aiming his lance. Public Domain image from Paulus Hector Mair's "de arte athletica," 1540s.
Were these surfers inspired by medieval soldier/athletes, or did they just want to test their boards' durability? Hard to say, but at least no one got hurt. We don't see this sport taking off (ha), but who knows.